Polaris Vac-Sweep 165 / 65 and Turbo Turtle Pressure Relief Valve | 6-503-00 Blue Square PV3 They are black with teeth

They are black with teeth that run along the outside intended for the chain to be placed and operated

This product is safe and natural

This is a direct match for Caribbean Blue PebbleTec

Pentair Style 2 Collar (White) | SKU 236141

7 1/4" Outside

Polaris Vac-Sweep 165 / 65 and Turbo Turtle Pressure Relief Valve | 6-503-00 Blue Square PV3 They are black with teethPolaris Vac Sweep 165 65 and Turbo Turtle Pressure Relief Valve (6 503 00) The pressure relief valve is a replacement part made by Polaris. The same high quality materials were used to manufacture the original factory part. Making this a genuine OEM product. This pressure relief valve was designed so the pool water can flow from an auxiliary passage and out of the float hose and sweep hose. It is also set to open at a predetermined set pressure to