Dial-Air Vent Cap Replacement

This is a replacement air-vent dial for U.S. pools, specifically the Dial-Air brand (approximately 1.5 inch major diameter). CAUTION : YOU MUST USE ASA - ANY OTHER FILAMENT WILL WARP OR BE DAMAGED BY THE SUN'S RADIATION, RISKING DAMAGE TO YOUR POOL PIPING! Boost MeBoost me! This part is no longer sold in the US, and it took quite a few prototypes to make a functional version!