Pentair StarGuard Main Drain Cover with Short Ring 500146 - Dark Gray - Two Pack chemical injection maintain proper sanitizer and pH/alkalinity

maintain proper sanitizer and pH/alkalinity

OEM Pentair 152290 with exact geometry and seal integrity

OEM assurance: Genuine Pentair part crafted to factory specifications for consistent performance

clearer water sooner and stay ahead of winterization when the season ends

with a straightforward reinstallation that minimizes downtime

Pentair StarGuard Main Drain Cover with Short Ring 500146 - Dark Gray - Two Pack chemical injection maintain proper sanitizer and pH/alkalinityPentair StarGuard Main Drain Cover 500146 Pentair StarGuard drains comply with provisions of the ANSI APSP 16 2011 standard as required by the Virginia Graeme Baker Pool & Spa Safety Act. StarGuard drains have an industry leading 15. 35 square inches of open area for water flow. If you are in an area where water velocity through the grate is limited to 1. 5 feet second, the StarGuard covers allow flow rates up to 72 GPM. StarGuard Drain Cover