Filtrete 14x18x1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defense, 3-Month Pleated 1-Inch Electrostatic Air Cleaning Filter, 6 Pack (Actual Size 13.81 x 17.81 x 0.81 in)
K&N 16X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-11625
K&N 16X25X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 13, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-13-11625
K&N 20X20X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 8, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-8-12020
K&N 12x20x1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 11, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-11220
K&N 14X14X1 HVAC Furnace Air Filter, Lasts a Lifetime, Washable, Merv 13, the Last HVAC Filter You Will Ever Buy, Breathe Safely at Home or in the Office, HVC-13-11414
