Easy to install - Just drop into vent - no tools required
Metal damper boxes rust and seize up, so we make our damper boxes with recycled high impact polystyrene; this is not a cheaper option, it’s the best option
Available in a variety of styles and finishes to match any decor
Filter retainer and filter are sold separately. Outside Dimensions: 3 3/4″ x 13 1/2″
