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Best Choice Hallmers 
HALLMERS Brass Straight 16mm 5/8" Barb Hose to 3/8" NPT Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Red This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Best Value EMSea 
EMSea 2PCS 8mm to 1/2 Inch BSP Female Thread Barb Brass Fitting Connectors Hose Barbed Joint Adapter Coupler for Fuel Ai 1/2 Inch BSP internal thread to 8mm barbed hose tail fitting connector.HALLMERS 
HALLMERS Brass Straight 12mm 1/2" Barb Hose to 1/2" NPT Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Red This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS 
HALLMERS Brass Straight 25mm Barb Hose to 1/2" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.EMSea 
EMSea 2 Pcs 6mm to 1/4 Inch BSP Female Thread Barb Brass Fitting Connectors Hose Barbed Joint Adapter Coupler for Fuel A 1/4 Inch BSP internal thread to 6mm barbed hose tail fitting connector.Hallmers 
HALLMERS Brass Straight 4mm Barb Hose to 1/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer C This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS 
HALLMERS Brass Straight 12mm Barb Hose to 1/2" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.EMSea EMSea 2PCS 10mm to 1/2 Inch BSP Female Thread Barb Brass Fitting Connectors Hose Barbed Joint Adapter Coupler for Fuel A 1/2 Inch BSP internal thread to 10mm barbed hose tail fitting connector.HALLMERS HALLMERS Brass Straight 10mm Barb Hose to 1/2" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Kisangel Kisangel 100pcs Drip Irrigation Barbed Hose Connectors for 4/7mm Tubing Garden Vegetable Balcony System PVC Threaded Cou Versatile application: ideal for vegetable gardens, flower beds, lawns, gardens, farms, home, greenhouse gardening, andEMSea EMSea 2PCS 6mm to 1/2 Inch BSP Female Thread Barb Brass Fitting Connectors Hose Barbed Joint Adapter Coupler for Fuel Ai 1/2 Inch BSP internal thread to 6mm barbed hose tail fitting connector.HALLMERS HALLMERS 1/2" BSPT Male to 1/8" NPT Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Threaded Bushing Tubing This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS 3/8" BSP Male to 3/8" NPT Female Brass Pipe Fitting Connector Thread Plumbing Hose, Hex Head Threaded Tubing Ad 1pc Threaded Pipe AdapterCESTAME 280 Pcs Barbed Connectors Irrigation Fittings Kit,Drip Irrigation Barbed Connectors 1/4''Tubing Fittings Kit for Flower Easy to storage and install: These irrigation kits have a box, convenient and will not leak easily，just push the tubingCESTAME 280 Pcs Barbed Connectors Irrigation Fittings Kit,Drip Irrigation Barbed Connectors 1/4''Tubing Fittings Kit for Flower Easy to storage and install: These irrigation kits have a box, convenient and will not leak easily，just push the tubingHALLMERS HALLMERS Brass 3/8" BSP Male to 1/4" BSP Female Pipe Fitting Coupler with Hex Head, 11mm Length Threaded Tubing Adapter This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.X AUTOHAUX X AUTOHAUX 2 Pcs 19mm Outer Diameter Barbed to 3/4" BSP Hose Barb Tail Male Thread Adapter Brass Hose Socket Compression Application for motorcycle, car and truck.HALLMERS HALLMERS 1/4" BSP Male to 3/8" BSP Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Bushing Threaded Tubing A This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass 3/8" BSP Male to 1/8" BSP Female Pipe Fitting Coupler with Hex Head, 12mm Length Threaded Tubing Adapter This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS M16 x 1.5mm Male to 1/2" BSP Female Brass Pipe Reducer Fitting Connector Thread Plumbing Hose, Hex Head Threade 1pc Threaded Pipe AdapterHALLMERS HALLMERS M8 x 1.0mm Male to M10 x 1.0mm Female Brass Pipe Reducer Fitting Connector Thread Plumbing Hose, Hex Head Threa 1pc Threaded Pipe AdapterHALLMERS HALLMERS 1/2" BSP Male to 3/4" BSP Male Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Threaded Bushing Tubing Ada This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS 1/2" BSPT Male to 1/4" NPT Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Threaded Bushing Tubing This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 19mm Barb Hose to 3/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.EMSea EMSea 2 Pcs 1/4inch/6mm Brass Barbed Hose Fitting Coupler Connector with 1/4 Inch Male BSP Thread Pipe Nipple Fitting fo This fitting has a 1/4 Inch BSP male thread with a barbed hose tail.Hallmers HALLMERS 1/4" BSP Male to 1/2" BSP Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Bushing Threaded Tubing A This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS 1/8" BSP Male to 1/4" BSP Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Bushing Threaded Tubing A This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS 1/4" NPT Male to 1/4" BSP Female Brass Pipe Fitting Connector Thread Plumbing Hose, Hex Head Threaded Tubing Ad 1pc Threaded Pipe Adapter44% Off Rain Bird Rain Bird BC25-30PS Drip Irrigation Universal 1/4" Barbed Coupling Fitting, 1/4" Drip Tubing, 30-Pack Universal coupling fitting connects two sections of any brand 1/4" Drip irrigation tubing in a straight lineHallmers HALLMERS Brass Straight 12mm 1/2" Barb Hose to 1/2" NPT Female Threaded Barbed Pipe Fitting Connector, Adapter Coupler R This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.PEUTIER 10 Packs 3/32" Hose Barb Thru-Bulk Bulkhead Fitting Plastic Hose Barb Fittings, Pipe Connector Fittings for Aquarium Fis Package Content: You will receive 10 sets of thru-bulk bulkhead plastic hose barb fittings, each set includes a thru-bulHALLMERS HALLMERS 1/2" BSPT Male to 3/8" NPT Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Threaded Bushing Tubing This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS 3/4" BSP Male to 1" BSP Female Brass Pipe Fitting Reducer Connector Thread Plumbing Hose, Hex Bushing Threaded This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS 1/4" NPT Male to 1/4" NPT Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Bushing Threaded Tubing A This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HOINCO 21 PCS Drip Irrigation Fittings Kit for 1/2 inch to 1/4 inch Irrigation Tube Anti-Drop Premiun Quality Fitting,Barbed Lo 【1/2 in to 1/4 in Drip Irrigation】You will receive 2 tees, 1 on/off valve, 6 T-connectors, 3 6-way connectors, 2 elbows,Hallmers HALLMERS 1" NPT Male to 3/4" NPT Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Threaded Bushing Tubing Ada This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 16mm Barb Hose to 3/4" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 10mm Barb Hose to 1/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS 1/4" BSP Male to 1/4" NPT Female Brass Pipe Fitting Connector Thread Plumbing Hose, Hex Head Threaded Tubing Ad 1pc Threaded Pipe AdapterAcbbMNS AcbbMNS 5Pcs Brass Hose Barb Fittings, 1/2" BSP to 10mm Barb Hose Fitting Connector, Barbed Joint Adapter Air Hose Pipe 【Size】5-Pack 1/2 Inch BSP male thread to 10mm barb hose pipe fitting tail connectors.HALLMERS HALLMERS 1/2" BSP Male to 1/2" NPT Female Brass Pipe Fitting Connector Thread Plumbing Hose, Hex Head Threaded Tubing Ad 1pc Threaded Pipe AdapterHALLMERS HALLMERS Brass 1/4" BSP Male to Female 150mm Threaded Straight Pipe Fitting Extension, Adapter Coupler Reducer Converter This is a handy brass pipe extension commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS M10 x 1.5mm Male to M10 x 1.0mm Female Brass Pipe Reducer Fitting Connector Thread Plumbing Hose, Hex Head Thre 1pc Threaded Pipe AdapterHALLMERS HALLMERS 1/4" BSP Male to 3/8" NPT Female Brass Pipe Fitting Connector Thread Plumbing Hose, Hex Head Threaded Tubing Ad 1pc Threaded Pipe AdapterHallmers HALLMERS Brass Straight 19mm 3/4" Barb Hose to 1/2" NPT Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Red This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS M18 x 1.5mm Male to 1/2" BSP Female Brass Pipe Reducer Fitting Connector Thread Plumbing Hose, Hex Head Threade 1pc Threaded Pipe AdapterHALLMERS HALLMERS 3pcs Brass Barbed Fitting M12x1.25 Male Thread x 8mm Barb Hose Connector Metric Adapter Coupler M12x1.25 Male Metric Thread x 8mm BarbHALLMERS HALLMERS M22 x 1.5mm Male to 1/2" BSP Female Brass Pipe Reducer Fitting Connector Thread Plumbing Hose, Hex Head Threade 1pc Threaded Pipe Adapterezqnirk 5PCS Metric Male Thread to Hose Barb OD Brass Barbed Pipe Fitting Coupler,M5x0.8 to 5mm HALLMERS HALLMERS M6 x 1.0mm Male to M10 x 1.0mm Female Brass Pipe Reducer Fitting Connector Thread Plumbing Hose, Hex Head Threa 1pc Threaded Pipe AdapterHALLMERS HALLMERS 1/8" BSP Male to 1/2" BSP Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Bushing Threaded Tubing A This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Kalolary Kalolary 20PCS Locked Barbed Tee Connectors, 1/2" to 1/4" Drip Irrigation Fittings Kit 12/16mm to 4/7mm Tube Lock Female 【Durability and Sturdiness】Our 1/2 drip irrigation fittings barb tee is made of hard plastic, which is strong and lastinHALLMERS HALLMERS 1/8" BSP Male to 1/4" NPT Female Brass Pipe Fitting Connector Thread Plumbing Hose, Hex Head Threaded Tubing Ad 1pc Threaded Pipe AdapterHALLMERS HALLMERS Brass 3/4" BSP Male to 1/4" BSP Female Pipe Fitting Coupler with Hex Head, 15mm Length Threaded Tubing Adapter This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.GOLD DEER GOLD DEER 12Pcs Hose Barb Fitting 3/8" Barb to 1/4" NPT Male Thread Hose Barb Adapter Connector 1/4" NPT to 3/8" Barb Ho Packaging Includes:Insert 3/8xNPT1/4 inch outer wire pagoda insert *12, tape *1.HALLMERS HALLMERS Brass 1/4" BSP Male to 1/8" BSP Female Pipe Fitting Coupler with Hex Head, 11mm Length Threaded Tubing Adapter This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.X AUTOHAUX X AUTOHAUX 2 Pcs 10mm Outer Diameter Barbed to 1/2" BSP Hose Barb Tail Male Thread Adapter Brass Hose Socket Compression Application for motorcycle, car and truck.AcbbMNS AcbbMNS 10Pcs Brass Hose Barb Fittings, 1/4" BSP to 10mm Barb Hose Fitting Connector, Barbed Joint Adapter Air Hose Pipe 【Size】10-Pack 1/4 Inch BSP male thread to 10mm barb hose pipe fitting tail connectors.HALLMERS HALLMERS 1/2" BSP Male to 1" BSP Female Brass Pipe Fitting Reducer Connector Thread Plumbing Hose, Hex Bushing Threaded This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Generic 2 Pack Stainless Steel Bulkhead Tank Fittings, Double 3/4" GHT Male to 1/2" NPT Female Threaded Garden Hose Bulkhead Wat High Quality Materials: Made from premium stainless steel, which is highly resistant to corrosion and rust.This ensuresHALLMERS HALLMERS 3pcs Brass Barbed Fitting M6 Male Thread x 6mm Barb Hose Connector Metric Adapter Coupler M6 Male Metric Thread x 6mm BarbAcbbMNS AcbbMNS 10Pcs Brass Hose Barb Fittings, 1/2" BSP to 10mm Barb Hose Fitting Connector, Barbed Joint Adapter Air Hose Pipe 【Size】10-Pack 1/2 Inch BSP male thread to 10mm barb hose pipe fitting tail connectors.HALLMERS HALLMERS 1/4" BSP Male to M8 x 1.0mm Female Brass Pipe Reducer Fitting Connector Thread Plumbing Hose, Hex Head Threaded 1pc Threaded Pipe AdapterHALLMERS HALLMERS Brass 1/4" BSP Male to Female 100mm Threaded Straight Pipe Fitting Extension, Adapter Coupler Reducer Converter This is a handy brass pipe extension commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass 1/2" BSP Female to Male Thread 90 Degree Elbow Fitting Connector, Diameter Nominal DN15, External Threade This is a handy brass elbow fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.FULAIERGD 10 Pcs 1/2" to 1/4" Barbed Tee Connector, 1/2 Inch to 1/4 Inch Drip Irrigation Fittings Drip Line Reducer Tee Connectors 【Package included】10Pcs 4-Way Barbed tee connector ,1/2" pipe to 1/4" pipe drip irrigation tee connectors for drip irrigSagaSave 4PCS Hose Barb Fitting Elbow, 25mm Barbed, 3/4" Male, 90 Degree Elbow Stainless Steel Pipe Connector for Air, Water, Oil Premium Material: Crafted from 304 stainless steel with a thickened design and fine-polished surface, this hose barb elbLIXIAOTONG 5Pcs 1/2" 3/4" Female Threaded to Barbed Pipe Fittings Garden Water Connectors Irrigation System Accessories(1/2 to 16mm Description:This Pass through Connector is widely used in horticulture irrigation, balcony gardening,garden irrigation aSumalon 20 Pcs 1/2 to 1/4 Inch Barbed Tee Connector, 3 Way Tee Connectors Drip Irrigation Fittings Drip Line Reducer, Anti-Drop 【Product Includes】20 Pcs 1/2 inch to 1/4 inch barbed drip irrigation tee connector. Easily diverts your main line (1/2 iWELANE WELANE 1/2 inch Barbed Locked End Cap Connectors,10 PCS Irrigation Fittings End Plugs for 16mm Garden Watering System Dr 【Durable and Reliable】Our barbed locked end cap connectors are made of premium plastic material, with good strength andHALLMERS HALLMERS 1/8" NPT Male to 1/4" BSP Female Brass Pipe Fitting Connector Thread Plumbing Hose, Hex Head Threaded Tubing Ad 1pc Threaded Pipe AdapterKalolary Kalolary 20PCS Locked Barbed Tee Connectors, 5/16" to 1/4" Drip Irrigation Fittings Kit 8/12mm to 4/7mm Tube Lock Female Reliability and Sturdiness: Our 5/16" to 1/4" drip irrigation fittings barb tee is made of hard plastic, which is strongHALLMERS HALLMERS Brass 1/4" BSP Female to Female Thread 90 Degree Elbow Fitting Connector, Diameter Nominal DN8, Internal Thread This is a handy brass elbow fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HOINCO 21 PCS Drip Irrigation Fittings Kit for 1/2 inch to 1/4 inch Irrigation Tube Anti-Drop Premiun Quality Fitting,Barbed Lo 【1/2 in to 1/4 in Drip Irrigation】You will receive 2 tees, 1 on/off valve, 6 T-connectors, 3 6-way connectors, 2 elbows,Mageeki 20 Pcs Drip Irrigation Fittings, 4-Way Lock Barbed Tee Connectors for 1/2" to 1/4" Tubing, Anti-Leak Drip Line Parts for TUBING COMPATIBILITY DETAILS: Designed for 1/2" drip tubing (0.52-0.55" ID, 0.60-0.64" OD) and 1/4" drip line (0.17" ID,HALLMERS HALLMERS Brass Straight 8mm Barb Hose to 1/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer C This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 10mm Barb Hose to 3/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 6mm 1/4" Barb Hose to 1/2" NPT Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Redu This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 6mm Barb Hose to 3/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer C This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 16mm Barb Hose to 3/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 6mm Barb Hose to 1/2" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer C This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 6mm Barb Hose to 1/2" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer C This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 14mm Barb Hose to 1/2" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 6mm Barb Hose to 1/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer C This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 19mm Barb Hose to 1/2" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 12mm Barb Hose to 1/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 12mm Barb Hose to 3/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 12mm Barb Hose to 3/4" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 19mm Barb Hose to 3/4" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 16mm Barb Hose to 1/2" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 14mm Barb Hose to 3/4" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 25mm Barb Hose to 3/4" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 8mm Barb Hose to 3/4" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer C This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 10mm Barb Hose to 3/4" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 5mm 3/16" Barb Hose to 1/4" NPT Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Red This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS Brass Straight 14mm Barb Hose to 3/8" BSP Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Reducer This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS Brass Straight 8mm 5/16" Barb Hose to 3/8" NPT Male Threaded Barbed Pipe Fitting Connector, Adapter Coupler Red This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.Hallmers HALLMERS 3/4" BSPT Male to 3/8" NPT Female Brass Pipe Fitting Reducer Thread Plumbing Hose, Hex Threaded Bushing Tubing This is a handy brass barbed fitting commonly used to connect lines for air, water, fuel, oil, and inert gases.HALLMERS HALLMERS M8 x 1.25mm Male to M8 x 1.0mm Female Brass Pipe Reducer Fitting Connector Thread Plumbing Hose, Hex Head Threa 1pc Threaded Pipe AdapterBumugufu 4 Pcs Brass Air Hose Fittings, 1/2" NPT Male Pipe to 5/16" ID Barbed Fittings Brass Nipple Valves for Compressor, Fuel, Package list: 4pcs 5/16 inch barb to 1/2 inch NPT male brass hose barb fittings