Pentair StarGuard Main Drain Cover with Long Ring 500101 - Dark Gray Aux Circuits BioShield UV (Model 522935)

BioShield UV (Model 522935)

Specially formulated stain and scale remover

but with a huge drop in side-effects caused by chlorine

5 inches deep

Pentair R36017

Pentair StarGuard Main Drain Cover with Long Ring 500101 - Dark Gray Aux Circuits BioShield UV (Model 522935)Pentair StarGuard Main Drain Cover with Long Ring 500101 Dark Gray Intro The Pentair StarGuard Main Drain Cover 500101 in Dark Gray offers a safety forward, high flow drainage solution for pools and spas. Crafted to meet ANSI APSP 16 2011 and the Virginia Graeme Baker Pool & Spa Safety Act, it delivers strong water flow while prioritizing swimmer safety. Featuring an expansive 15. 35 square inch open area and NSF 50 certification, this 8" round drain