AeroStar 30x36x2 Air Filter

The 30x36x2 Aerostar fits a nominal 30x36x2 return at an actual 29 7/8" x 35 7/8" x 1 3/4". Two-inch filters at this nominal size show up on larger residential systems and some commercial air handlers - the 2-inch depth doubles the debris-holding capacity compared to a 1-inch equivalent and runs at noticeably lower pressure drop. MERV 8 covers baseline residential filtration. MERV 11 handles pet households and most common allergen concerns. MERV 13 captures fine particulates including bacteria,