Why is a 16x25x5 or 16 x 25 x 5, Merv 12, Honeywell Air Conditioner filters, A/C Filter, Furnace filter, air cleaner, air filters an important component to an overall healthy home? We spend time every day cleansing our skin of impurities. It isjust as important to clean the air around us of these impurities, which our skin breaths with the right furnace air filter. Our Honeywell Replacement Air Cleaner Furnace Filter 16 x 25 x 5 Merv 12, single air filter is the best air filter you can find to improve air quality in your home, which can only benefit your beautiful skin. The actual size of our Honeywell Replacement Air Condition/Furnace Air Filters is 15 3/4 x 24 3/4 x 4 1/8. Why will this air filter improve the air quality in your home and help keep your skin cleaner? Well for one, compare the 20 Pleats in our furnace filter instead of the usual 16-18 pleats. Secondly, you have the benefit of MERV 12 efficiency instead of MERV 8-11. Our Nordic Pure non-woven synthetic filter media in our air cleaner furnace filter will not support the growth of mold or bacteria, keeping your home healthier. Our filters use permanently charged electrostatic material that helps dust cling to the filter. Our Nordic Pure anti-allergenic Merv 12 pleated air condition filters significantly reduce dust and dust mites in home, mold spores, pet dander, pollen, smoke particles, and other airborne particulates by up to 97.8%. This Honeywell replacement filter will improve your indoor air quality, may reduce dust in your home and your indoor allergy may less when capturing the smaller particles and contaminants, this is why Dead Sea Spa Care added this product offering. Our Nordic Pure filter material has a permanent electrostatic charge and does not support the growth of bacteria, fungi, mildew or mold.