NDS 990 Structural Foam Polyolefin Square Grate w/UV Inhibitors, 9" x 9", Green Trending_Items Adds months or years of

Adds months or years of life to roofs

Adjusts from 9" to 13"

assures proper mounting angle

For a low-sheen satin finish so beautiful you’d never suspect it’s also #1 rust-preventative paint on the market

Uses free energy from the sun for maximum shock - day or night

NDS 990 Structural Foam Polyolefin Square Grate w/UV Inhibitors, 9" x 9", Green Trending_Items Adds months or years ofCan be use in large lawn areas, large landscape areas, patios and atriums. Open surface area 39. 50 sqin. Rated a class B load which is recommended for medium duty pneumatic tire traffic, autos and light trucks at speeds less than 20 MPH. Size: 9" x 9" Color: Green Flow rate: 51. 75 GPM Made of structural foam polyolefin with UV inhibitors Can be use in large lawn areas, large landscape areas, patios and atriums Open surface area is 39. 50 sqin Use