17.5″ x 17.5″ x 3.5″ Wall curb for exhaust.
19.5″ x 19.5″ x 3.5″ Wall curb for exhaust.
23.5″ x 23.5″ x 3.5″ Wall curb for exhaust.
25.5″ x 25.5″ x 3.5″ Wall curb for exhaust.
27.5″ x 27.5″ x 3.5″ Wall curb for exhaust.
29.5″ x 29.5″ x 3.5″ Wall curb for exhaust.
31.5″ x 31.5″ x 3.5″ Wall curb for exhaust.
