Dometic (Atwood) 33056 DFMD Furnace Exterior Door Assembly – BlackThis is an exterior access door assembly for Atwood’s DFMD Series furnaces. This door is a required component for the DFMDxx111 furnace installation. It allows you to service your furnace from the exterior of your RV rather than attempting to perform repairs from a less convenient location.Additional InfoDimensions19 ” x 10 “Cut-Out Requirements18 ” x 9″Mount StyleRecessedMaterialPlasticColorBlackCompatible withDFMD20111, DFMD25111, DFMD30111, DFMD35111, DFMDH25111, DFMDH30111, DFMDH35111What’s IncludedDoorBezelWhat’s Not IncludedScrewsPutty TapeCaulkingMoreDometic’s Phone# (800) 544-4881