【Upgraded Material】The 9-100-9001 wall fitting connector is made of sturdy and wear-resistant ABS plastic materials that are well tested by the manufacturer to enhance the high performance of your pool cleaner. 【Ideal Replacement Part】The 9-100-9001 universal wall fitting connector fits Polaris Zodiac 380, 280, 180. It is compatible with Polaris Zodiac pool cleaner models 480 PRO, 3900 Sport, Vac-Sweep 380, Vac-Sweep 280, 280 TankTrax. 【UWF Connector Assembly】The 9-100-9001 UWF connector helps regulate water flow to the Polaris pool cleaner. This control valve adjusts the water entering the cleaner system. The blue and red discs are restrictors that help limit water flow if the water pressure from the booster pump is too high for the cleaner. 【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 of 9-100-9001 UWF connector for swimming pool cleaner + 1 red restriction disc and 1 blue restriction disc.