Round Plastic Vent Grill Fits 4″ Diameter Hole.
Plastic Vent Grill Fits 2-1/2″ X 10″ Hole. 3/8″ deep.
Formerly Part #1974
Plastic Vent Grill Fits 2″ X 4″ Hole.
Plastic Vent Grill fits 2-7/16″ X 8-3/8″ hole.
*Formerly Part #1975
Plastic vent grill fits 2-5/8″ X 8-21/32″ hole
*Formerly Part #1972