This is the complete wall fitting connector assembly for the Polaris 360 Pool Cleaner. It attaches to the wall with a bayonet style twist lock fitting and connects to those polaris cleaner hose on the other end. The hose on the Polaris 360 is approximately 1-1/2" in diameter and is corrugated like a vacuum hose. Polaris 360 Complete Universal Wall Fitting Connector Assembly for the Polaris 360 Pool Cleaner.