Polaris Vac-Sweep 360 In-Line Back-up Valve | 9-100-1200 Nozzles It runs through the center

It runs through the center of these parts so that way the dirt and debris can travel off your pool's surface and up through the cleaner and long-life hose and into your filtration system

LeafVac Canister Shell (Plumbing Housing Only) – Pentair In-Floor (A&A) | SKU 219700

This is a cool add-on provided by Zodiac for the T5 Duo suction cleaner

Parts included:

Key Features:

Polaris Vac-Sweep 360 In-Line Back-up Valve | 9-100-1200 Nozzles It runs through the centerPolaris 360 Backup Valve (9 100 1200) The in line Polaris 360 backup valve is a genuine OEM product. This replacement part is made by Polaris. This backup valve was designed to be the feature that backs the Polaris 360 pressure side cleaner out of any corners or edges along with the pool steps which would cause the cleaner to be hung up or impeded. Without it, the cleaner would be insufficient in its ability to suck and pull up dirt and debris off