19x19x1 Exact MERV 14 AC Furnace Filters 18x36x1 MERV 14 furnace filters are

MERV 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800

Nordic Pure 12x24x4 MERV 14 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that will attract and capture most airborne particulates in your home

Since you can't return custom sized air filters

Nordic Pure 20x20x5 Air Bear Replacement MERV 15 air filters measure an actual depth of 4 15/16"

Nordic Pure’s 16x25x3 MERV 15 Air Bear Cub Replacement Plus Carbon air filter is meant to replace the air condition filter for any system that requires a 3” depth

19x19x1 Exact MERV 14 AC Furnace Filters 18x36x1 MERV 14 furnace filters areActual Size: 19 x 19 x 3 4 (19 x 19 x 0. 75) Airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, smoke, and bacteria are captured and removed. Ideal for customers with health problems or for commercial units which support a rating of MERV 14 and above Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 14 is equivalent to MPR 2800 Made in the USA. Nordic Pure MERV 14 Pleated AC