Flat Top Atrium Grate, Green Polyolefin, 4-In. Category_Shelving & Shelving Units XPT™ is a protective seal

XPT™ is a protective seal inside the tool and is engineered for improved operation in harsh conditions by channeling water and dust from key internal components

4-1/2” Standard (Boxed)

Red webbing

we suggest Old Masters Ascend Exterior® or Old Masters Spar-Marine Varnish

Polyurethane-fortified enamel resists weather

Flat Top Atrium Grate, Green Polyolefin, 4-In. Category_Shelving & Shelving Units XPT™ is a protective seal4", green, flat top structural foam polyolefin atrium grate with uv inhibitors, open surface area is 14. 50 sqin, & it's 19. 00 gpm, fits 4" sewer & drain pipe & fittings, 4" corrugated pipe, & 4 " triple wall pipe.