General description 10460 Air Safety Valve with O-Ring Replacement Parts Seal Kit 25003 is designed for swimming pool filter pumps with a capacity of 1500 GPH and below. This 4-pack kit includes essential components to ensure efficient air release and sediment removal from your filtration system. Technical specifications Includes: 4-pack 10460 vent valve with 25003 O-ring Compatible with pumps filtering Intex cartridge models: 603 (SKU 58603EG), 633 (SKU 56633EG), 635 (SKU 56635EG), and 637 (SKU 56637EG) Suitable for various pumps and filtration systems Compatibility and accessories Compatible with models: 28111CA, 28111EH, 28121EH, 28125EH, 28131CA, 28131EH, 28141EH, 28157EH, 28165EH, 28167EH, 28175EH, 28181K, 3MW, 8191CA, 28191EH, 28193EH, 28201EH, 28211CA, 28211EH, 28233CA, 28233EH, 28235EH, 28251EH, 28301TT, 28303RP, 28303SR, 28309EH, and 28317CA Usage Designed to remove air and sediment from the system before operation, ensuring optimal performance of your pool filter pump.