Merv 13 air filters are comparable to air filters with the mpr rating of 1900-2200, fpr rating of blue, and apr rating of diamond. Each Nordic Pure 5 merv 13 air filter will capture more than 90% of 1., 0-10., 0 micron contaminants and up to 75% of ., 30-1., 0 micron contaminants. Actual size: 19 3/4 x 24 3/4 x 4 3/8; Removes tobacco and fireplace smoke, along with all contaminants removed by MERV 12 filters; Ideal for customers with... this filter is a new standard size that will fit both old and new systems. Nordic pure’s 5 Lennox x6673_x6675 replacement merv 13 rated air filters are the newest filters made by Lennox with a slightly decreased height and width, but the same ACTUAL depth of 4 3/8. 20x25x5 MERV 12 Merv 11 Sub Air Filter | Fits Honeywell & Lennox Nordic Pure 20x25x5 Lennox X6673_X6675 Replacement MERV 8 rated air filters are what is considered the traditional 5in filter at an actual 4-3/8in. It can replace not only Lennox but Honeywell, Carrier, and Bryant air filters 5 Lennox x6673_x6675 replacement merv 13 rated air filters are made of electrostatically charged synthetic materials that are ideal to reduce airborne contaminants in your home or business. Each time air passes through a Nordic Pure pleated furnace filter, airborne dust, pollen, mold spores, pet dander, smog, dust mite debris, and Tobacco and fireplace smoke are captured and removed. The effective life of your air filter depends on the inside and outside conditions in which you live. Vervanging Lennox X6673 X6670 Furnace Filter Merv 11 Nordic Pure 20x25x5 (19_3/4 X 24_3/4 X 4_3/8) Lennox X6673_X6675 Replacement Air Filter MERV 8 Carbon 2 Pack Merv 11 Furnace Filter 20x25x5 Luchtfilter 20x25x5 Ideal for customers with serious allergies or who smoke , Made in the USA
