Round Plastic Vent Grill Fits 4″ Diameter Hole.
Round Plastic Vent Grill Fits 2-1/2″ Diameter Hole
Plastic Vent Grill Fits 2-3/8″ X 8-5/8″ Hole.
Formerly Part #1970
Round Plastic Vent Grill Fits 3″ Diameter Hole.
Plastic Vent Grill With Screw Holes Fits 2-5/8″ X 8-21/32″ Hole.
Formerly Part #1971