Better than OEM replacement Additional UV protection molded into the plastic to stop yellowing Includes pre-applied butyl sealant for both door and window seals Outside Dimensions: 15-2/3' x 23-3/4'; Window opening: 12' x 21' Installation screws not included; use #6 flat head x 1-1/2' length JR Products 11011 Deluxe RV Entry Door Window Frame Set - White SKU: 1025.2589 UPC: 756815110112