High Quality 9-100-9001 universal wall fitting: Our 280 wall connector for polaris is made of high-quality ABS material, sturdy and wear resistant. This will ensure that your pool cleaning equipment is functioning properly and keeping your pool cleanEasy to Install: Installing the pool cleaner wall connector is simple, simplythread the male thread into the dedicatedpressure wall port. Next, screw the quick disconnect into the wall fitting and lock the quick disconnect in place to complete the installationProduct Features: Pool connector for polaris are cleverly designed with blue and red restrictor disks to help limit the flow of water from the sweeper and slow it down when the booster pump water pressure is too highProduct Information: 1set 9-100-9001 UWF connector assembly, including universal wallFitting, quick disconnect, pressure relief valve, restrictor disk( pre-assembled ), Size: 1.9in x0.7in 5.3in, Restrictor Disks (blue aperture: 0.35", red aperture:0.28")Seamless Fit: 9-100-9001 connector assembly for polaris replaces part 91009001, 25563-150-000, EW22, POL2011441. Compatible with Polaris 180/ 280/ 380, Vac-Sweep 280/ 380, 280 Tank Trax, 480 PRO, 3900 Sport Pool Cleaner