8 Inch StarGuard Main Drain Cover With Long Ring - Dark Gray filter-length_23 1/4 inches This filter element is for

This filter element is for SM-SMBW 2000/4000 Series D

Other features include the Chemtrol proprietary Probe Alert Safeguard

Flat-wall Touchpads are also available

50 inches for the rail tubing and the distance between the front (pool) rail and back (anchor) rail is 60 inches

distance between 2 boards

8 Inch StarGuard Main Drain Cover With Long Ring - Dark Gray filter-length_23 1/4 inches This filter element is forThis is an 8 inch dark gray StarGuard Main Drain Cover with Long Ring. StarGuard Main Drains comply with provisions of the APSP ANSI ICC 16 2017 standard and the Virginia Graeme Baker Pool and Spa Safety Act. StarGuard main drains have 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 per second, the StarGuard covers allow flow rates up to 72 GPM. The Pentair