Description: * brand new and high quality *This is the UWF universal wall fitting connector to repalce the part# 9-100-9001 * Compatible with For Polaris Zodiac 180 280 380 480 3900 pool cleaner *Easy to install, basically a simple screw on and then attach for Polaris hose *The blue and red restrictors/pressure disks are used to slow water flow. They are used to adjust the speed that the cleaner moves across the bottom of the pool. They are inserted onto the quick disconnect Specifications: colour:White Material:plastic size:12.5 x 5cm Package Included: 1 x Water pipe connector 2 x Limiting plate 2 x Sponge Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.