EASY INSTALL: Takes less than an hour and will fit most trash chutes, including Acme, American, Century, Chutes International, Cutler, Hi-Rise Recycling Systems Inc., Midland, US, Valiant, Western, Wilkinson, & Nycor DURABLE: The door is manufactured with #4 Stainless Steel with a 16 gauge frame and 18 gauge trim for increased strength and durability ADA COMPLIANT & FIRE RATED: Complete with an ADA compliant chrome L handle with lock. It will withstand 1.5 Hours at 250 degrees Fahrenheit and is UL approved to comply with the latest national building codes SELF CLOSING: Our doors are noiseless and self closing by means of and ADA compliant automatic door closer / hydraulic piston DIMENSIONS: When selecting a size please measure the door panel not the wall opening. (Flap Not Included) Trash chute intake doors are Fire Rated – UL Certified, complying with building codes. “B” label Underwriter Laboratory 1 1?2 Hr. rating No. 4 Stainless Steel Finish Hand operated, silent and self-closing by means of an automatic, ADA compliant door closer/hydraulic piston. Positive self- latching with ADA Complaint chrome L-handle with lock Removable embossed trim suitable for in-wall Trash Chute and Linen Chute applications. When selecting a size, measure the inside dimensions of the door, excluding the frame.