Tooetoy G52 Backup Valve Replacement Kit, Compatible with Zodiac Polaris 180 280 380 480 PRO 3900 Sport Pool Cleaners | Includes G53 Gear & G57 Collar, POM Material

["G52 Backup Valve Replacement Kit,Includes G52 Backup Valve Case,Upgrade G53 Gear Mechanism, and G57 Collar for a full backup valve replacement.","G53 Gear Mechanism made from stable POM materials to withstand harsh pool environments, ensuring ensures 3x longer lifespan than standard valves.","Fits Zodiac Polaris pool cleaner models 180, 280, 380, 480 PRO, 3900 Sport, Vac-Sweep 280, Vac-Sweep 380, and 280 TankTrax.","No special tools required! Quickly replace your old or damaged backup valve components in just a few steps","Remove the pool cleaner from the tight spot If it gets stuck."]