Set of 6 directional ventilation valves, ventilation valve sets with O-rings for swimming pools and pumps

【Good Quality】Precision thread, Smooth edges, Equipped with O-rings, fine workmanship, the air release valves are strong and sturdy; The surface and thread edge of the pool filter replacement parts are smooth and round, easy to use, will not be stuck, serving you for a long time without worries.【Dimensions & Fitment】 0.67 x 0.35 inch/ 17 x 9 mm, Package include: 6 Packs Directional Vent Valve. Compatible with cartridge filter C100, C250, C500, C750, extended cycle DE filter EC30 and EC40 series, EC50A/ AC series.【Good Sealing】The pool filter cleaners are equipped with o rings, the rings can strengthen the connection between vent and vent valve, keep from leaking, these filter replacement part combinations are good choices for replacing filter accessories.【Wide Application】Perhaps the only thing more exciting than owning a pool is the thrill of replacing your cartridge filter heads.The valve pool filters are mainly applicable for pool, sink, spa cartridge filters or other equipments to exhaust air before operating, pool filter air relief valves can make the system work well.【Easy to Install】:With the premium design of the notches of the pool filter o rings, you can easily install & tighten the valves.describeThe kit will come with 6 inverted exhaust valves, each exhaust filter comes with an O-ring and is compatible with C100 filters, C250, C500, C750, EC30 and EC40 series extended DE filters, EC50A/AC series. The finish is fine and the air discharge valve is robust and durable; the surface and threaded edges of the pool filter are rounded, making it easy to use and preventing jamming. Valved pool filters are mainly suitable for swimming pools, sinks, hot springs, or any other equipment performing drainage operations. The pool filter's overflow valve can be operated for a better experience. Color: Black. Material: Plastic. Package Contents: 6 x Reverse Exhaust Valve. Contains only the above package contents and does not include other products. Note: Light reflections and different displays may cause a slight color difference between the item and the actual item. The measurement tolerance is +/- 1-3 cm.