Item Type: Air Release Valve O Ring_x000D_ Application: Swimming pools, SPAs_x000D_ Applicable Model: For intex 25002_x000D_ Male Thread: Approx. 15mm / 0.59in_x000D_ Weight: Approx. 52.00g / 1.83oz 1WEAR RESISTANT PLASTIC: Air release valve O ring is made of excellent plastic materials, durable, wear resistant, and can be used for a long time 2SIMPLE INSTALLATION: Pool accessories are easy to install and can be replaced directly with old and damaged ones to meet your various needs 3HIGH RELIABILITY: Air release valve o ring has high reliability, exquisite workmanship, and is a practical accessory for swimming pool, rest assured to use 4WIDELY USED: Filter pump air release valve O ring is widely used in swimming pool, SPA, etc., provide great convenience for your life 5PACK OF 4: This pack come with 4 air release valves and 4 O rings, providing you with enough replacements for your swimming pool or SPA filter pumps 4 x Valves 4 x O Rings