Blue Square Complete Abyss Debris Canister | 502000 filter parts The inner extension pipe is

The inner extension pipe is made by Zodiac

High-Flow™ manual air-relief valve plus continuous internal air-relief maintains optimal filtration performance

Extends service life of in-floor ball valve system

and Spring

Blue Square Complete Abyss Debris Canister | 502000 filter parts The inner extension pipe isTHE LARGEST CAPACITY STORAGE FOR POOL & SPA DEBRIS With maximum debris storage capacity for swimming pool and spa debris, Abyss needs less frequent cleaning and maintenance than a typical installation. Abyss also is designed to push the heaviest debris to the bottom, increasing your pools energy efficiency. HIGHER CAPACITY. LESS MAINTENANCE By design, the heaviest debris heads straight to the bottom. No interrupted water flow. No interference with