Watts TD-300 Series Stainless Steel Elevator Drain with Vandal Proof ADA Compliant Heel Proof Grate. Features & Benefits: π₯ Protects elevator shafts from fire sprinkler discharge π Complies with emerging building code requirements ποΈ Low profile accommodates post-tension slabs π§ Stainless steel heel-proof grating Product Overview: Shop the Watts TD-300 Elevator Drain, featuring a durable 12-gauge, Type 304 stainless steel body measuring 11 1/2" (292 mm) wide and customizable in length. It includes an ADA-compliant, heel-proof stainless steel grate with 65 square inches of open area per linear foot, secured with vandal-proof stainless steel screws. The 4" (102 mm) no-hub center outlet ensures easy installation and reliable performance. Product Notes: Lengths 36" (914mm) or greater comply with: 2018 International Building Code 3007.3 and 3008.3 2013 California Building Code 403.6.1, 403.6.2, 3007.4, 3008.4, San Francisco Fire Code 511.1.4 for a flow rate of 100 GPM. Technical Downloads: Watts TD-300: Specification Submittal (PDF)