Builders Edge 140116774030 Vent, Paintable The Builders Edge 4" Hooded Dryer Vent comes complete with 8" aluminum tube (4" diameter); Net free area: 12 sq in 	 Our patented Snap-On Trim Ring makes installation easy Available in 24 colors to match your siding manufacturer and a Paintable option to easily match your home Paintable product must be painted