GSW FS-T1/2 Cast Iron Porcelain Floor Sink Top Grate with Ceramic Surface, 9-⅜” x 9-⅜” x 1-¼” - Perfect for Restaurant, Bar, Buffet (1/2 Size) Size_24"x18" The 3/4" gas pipe means

The 3/4" gas pipe means interior diameter 3/4" but outside diameter is 1-1/16"

Have a manual on and off switch and 2 heater switches

[2 Speeds of Operation] - Super powerful high speed at 1112 CFM

Overall Dimensions: 30"W x 84"L x 35"H

GSW FS-T1/2 Cast Iron Porcelain Floor Sink Top Grate with Ceramic Surface, 9-⅜” x 9-⅜” x 1-¼” - Perfect for Restaurant, Bar, Buffet (1/2 Size) Size_24"x18" The 3/4" gas pipe means[Longer Lasting] Built with a combination of cast iron porcelain and ceramic surface for easy cleaning that offers a longer lasting grate. [Versatile] Floor sink top grate is perfect for any restaurant, bar, buffet, or eatery where water needs to be drained from food or other items. [Perfect For Floor Sinks] This floor sink top grate is a perfect fit for 12 x 12 floor sinks. [Safety] Floor grate hole openings are large enough to allow proper drainage