Replacement valve compatible with Zodiac 180, 380, 280, 480 PRO, 3900 Sport, -Sweep 380, -Sweep 280, 280 TankTrax, E10we have upgraded the housing material, made of anti-breakage polymer mixture, which is more wear-resistant than the previous product and will not be damaged and lasts twice as long.G53 gear mechanism is made of wear-resistant and stable PC material.good geometric stability, especially suitable for gear and bearing manufacturing, this material is more to withstand high water pressure operation.can solve the problem of pool cleaner stuck on the obstacle, although your backup valve is still open, the nozzle will no spray water, and will drain the water.Colour:WhiteMaterial:PCSize:20.3 x 9.7 x 9.7cmPackage Contents:1 x Cleaning valveOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.