Round Plastic Vent Grill Fits 4″ Diameter Hole.
Plastic vent grill fits 2-5/8″ X 8-21/32″ hole
*Formerly Part #1972
Round Plastic Vent Grill Fits 3″ Diameter Hole.
Plastic Vent Grill fits 2-7/16″ X 8-3/8″ hole.
*Formerly Part #1975
Plastic Vent Grill Fits 2-3/8″ X 8-5/8″ Hole.
Formerly Part #1970