This Door viewer is constructed from Solid Brass. It fits a 1-3/8" to 2-1/4" thickness doors. This door viewer features a fire door rated UL listed glass lens. SKU: 43082220 MFG: 55211U19UL Shop more products by Deltana. Buy Door Hardware Parts & Accessories on sale from largest construction hardware items store in USA SHARE Share on Facebook Tweet on Twitter Share on Google+ Pin on Pinterest Shipping not available to AK,AE,AA,AE,AE,AE,AP,GU,HI,PR,VI Free shipping over $35 Sold out $10.83 Quantity Sold Out Sold out Request a Bulk Quote Thank you for your quote request. We will be in touch. DETAILS Description DESCRIPTION Highlights: Finish: Black Material: Solid Brass Door thickness: 1-3/8" - 2-1/4" Maximum Extension of: 2-5/16" View range: 200 Degrees UL Listed FEATURES MFR: 55211U19UL SKU: 43082220 UPC: 760923254323 Brand: Deltana