12"x12" Square Wave Grate & Vented Riser Ring with Double Deep Sump Bucket with 6" Socket (VGB Series) Dark Gray
Features
- For single multiple drain use 3 minimum sump depth
- Single –
- Floor/wall: 361 GPM at 1.3 fps
- Floor/wall: 283 GPM at 1.0 fps
- When 1.0 or 1.5 fps installations are not required, always use the lower tested flow rate
- 90.8 square inch opening
- Easily and safely retrofits most brands' existing 12" square 3/4" deep frames*
- Additional sump versions also available
- Trademarked VGB compliance button easily identifies VGB 2008 compliant cover from on deck and underwater
- #316 stainless steel screws
- Manufactured from superior UV-resistant engineered polymers
- All components (cover, sump, screws) meet or exceed ANSI/APSP 16-2011 and
- NSF/ANSI 50-2009a national standards and ASTM G154 UV testing exposure
- Replace every five years from the date of installation