26" x 18" Oval Duct Access Door
Access door and frame shall be fabricated from 24 gage galvanized steel. Door and Frame shall be die-formed and seamless panels in a sandwich construction with one-piece extruded gasket for positive seal for thermal, Acoustic, and Fire Retardant insulation. Door latches are positive cam lock fastenings. Frame pre-punch holes on both flanges for mounting.