Product availability as of 22-Nov-09 Name Size Color Availability Air Vent Reduction Pack Liners Med - 11.5 x 18 x 38.5 in. Assorted Ships within 24 hours. Air Vent Reduction Pack Liners Large - 12.5 x 20 x 46.5 in. Assorted Ships within 24 hours. Air Vent Reduction Pack Liners XL - 12.5 x 23 x 38.5 in. Assorted Ships within 24 hours. Go back to the Air Vent Reduction Pack Liners