[Upgraded Material]9-100-9001 wall fitting connector is made of sturdy and wear-resistant ABS plastic materials that are well tested by the manufacturer to boost the high performance of your pool cleaner.[Ideal Replacement Part]9-100-9001 universal wall fitting connector for Polaris Zodiac 380, 280, 180. Compatible with Polaris Zodiac pool cleaner models 480 PRO, 3900 Sport, Vac-Sweep 380, Vac-Sweep 280,280 TankTrax.[UWF Connector Assembly]9-100-9001 The pool cleaner's UWF connector will regulate the water flow to the Polaris pool cleaner.This is a control valve that adjusts the water entering the cleaner system.The blue and red are restrictive discs that help limit water flow in case the water pressure from the booster pump is too high for the broom.[Easy to install] No tools required!Installation only takes a few minutes.The 9-100-9001 wall fitting connector simply threads the 1-1/2" male thread into the dedicated pressure wall port. Then twist and lock the quick disconnect into the wall fitting.[Package Includes]1 or 2 pieces 9-100-9001 UWF connector for swimming pool cleaner and 1 red restriction disk and 1 blue restriction disk. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.