1. Model Sheet Metal Plenum WKDP 21 35 H x 18 75 W x 19 75 D Fits 21 Wide WINCHESTER Residential Evaporator Coil Models DIRECTIONS ALWAYS USE CAUTION WHEN HANDLING SHEET METAL 1 Determine the proper height of the installation application 2 Trim side pieces to fit application height and assemble plenum using the inter locking feature 3 Attach the open end of the plenum to the top opening of the indoor coil 4 Use sheet metal screws and aluminum tape to secure and seal plenum to indoor coil flanges This Kit Contains 4 side pieces and 1 top piece CANAL WINCHESTER OH 43110 pie HAMILTON HOME PRODUCTS INC _ NSERT UPC HERE FE TS 800 879 0123 999645805499