1/8 1/4 3/8 1/2 Inch G Female Thread 304 Stainless Steel Check Valve One Way Non-Return Valve For Water Oil Gas Check Valve(1/4 Inch)

HLZC Drain Backflow Preventer, One Way Valve, Adjustable Silicone Sink Floor Drain Trap For Pipes Tubes In Toilet Bathroom Kitchen (Blue-10)

Eastman Heavy Duty Full Port Brass Ball Valve, 1 in Sweat X 1 in Sweat Connection, 20065LF

Feelers 1/2" (12MM) One Way Inline Check Valve Non-Return One-Way Air Water Gas Check Valve Ozone Resistance PVDF, Pack Of 2 2PCS

Hunter PGV 1" Sprinkler Valve, Screw-Top Irrigation Valve With 1" Male Thread Inlet And 1" Barb Outlet, No Flow Control, Leak-Free Design, Easy

Check Valve With Backflow Prevention, Universal 1-1/4 Inch One-Way Female Pipe Thread, Lead-Free Brass Construction, 1.25'' FNPT × 1.25'' FNPT

Beduan Stainless 1 NPT Threaded Check Valve Non Return One Way Horizontal Vertical Inline Water Spring Check Valve For Well, Pump, Tank, Backflow

Hunter PGV 1" Sprinkler Valve, 24V AC, Flow Control, Female Threaded, Heavy-Duty Diaphragm, 150 PSI, Inline Irrigation Valve For Lawn, Garden, Or

Uenede Solid Brass 1/2 Inch In-Line Spring Check Valve 1/2" NPT Female Thread One-Way Non-Return Prevent Water Back-Flow

Uenede 2PCS Brass 1/2 Inch NPT In-Line Spring Check Valve 1/2" NPT Female Thread One-Way Non-Return Prevent Water Back-Flow

Check Valve DGZZI 2PCS 3/8" One Way Push Fit Straight Quick Connect Check Valves For RO Pure Water Reverse Osmosis System, 3/8Inch Push To Connect One

Quickun 1/2" One Way Inline Check Valve, Non Return Hose Barb, Ozone Resistance Plastic Valve For Fuel Oil Water Gas Pump Air, 5 Pcs

ESHIONG 3/8" Push To Connect One Way Check Valve For Reverse Osmosis Water Filter,NSF Certified Plastic Quick Connect RO Fittings (2 Pcs)