Dryer Vent Duct 4″x 5″
BTD45 4″x 5″ ProFlex(tm) Duct
The ProFlex™ dryer vent duct is ideal for gas and electric dryer applications. This duct is UL2158A listed and marked for safe dryer venting and is constructed of heavy duty, fire resistant, 4 ply aluminum foil laminate that encapsulates a high density, corrosion resistant wire helix. This forms an air tight and easy to use air duct. This duct will not support combustion.