Vent grill, 4" black, press fit

Black plastic vent grill features a patented press-fit installation that holds 4" blower hose and vent in place with no clamps or fasteners.  Just pull hose through the hole, thread on to vent's "fingers", then push vent into hole.  Flat grill is unobtrusive and provides 6.876 sq. in. of air flow. 

 

Dimensions: grill flange OD 4-5/8" , tailpiece is 3/4" long.  Requires 4-1/4" hole saw.