3Pack 3/8" OD One Way Check Valves – Inline Backflow Preventer for RO Water Filters, Reverse Osmosis Systems & Plumbing, Leak-Proof Chemical-Resistant Non-Return Valve
"High-performance POM engineering plastic. 3/8 inch water line check valve. Made of high-quality polyoxymethylene (POM) material, it is three times more durable than standard PVC material. It can resist the erosion of chlorine and acids and prevent the formation of hard water scale - an ideal choice for drinking water systems"
"Universal push-in installation. Compatible with pipes with an outer diameter of 3/8 inch - no tools required. Compatible with under-sink filters, aquarium CO2 systems, and hydroponic irrigation devices."
"Full-scene coverage. It is universally applicable to home RO machines, commercial ice-making equipment, and agricultural irrigation systems, and provides a service of replacing products in case of water leakage."
Size Alert - Measure Before Purchase!【1/4"】OD 0.25" (6.5mm).【3/8"】OD 0.375" (9.53mm).48% diameter difference! Please measure existing parts or consult technician. This listing is for 3/8" size.
"Includes 3 3/8 inch backflow preventer Includes 3/8"" one way check valve, which can save space in a narrow pipeline layout."