Lotfancy 16X20X1 Air Filter, 6 Pack Merv 13, Actual Size: 15.75"X15.75"X0.75" ?16x20x1?? AIR FILTERS?Actual size of the furnace filter is 15.75 x 19.75 x 0.75?; Sold in Packs of 6; This MERV 13 filter is comparable with MPR 1500-1900 FPR 10 ?HIGH EFFICIENCY FILTRATION?MERV 13 air filters will capture 98% of household airborne particles sized 0.3 to 1 microns and help filter out dust lint, dust mites, pet dander, smoke, smog, auto exhaust, coughs and sneezes, bacteria without reducing air flow; MERV 13 filters are most commonly used in pharmacies, surgical facilities, and smoking lounges ?IMPROVE INDOOR AIR QUALITY?Efficient HVAC filters provide cleaner, healthier, and fresher air for all inhabitants; Timely filter replacement helps prolong service life of your heating and cooling system and can reduce your energy bill ?SUPERIOR CONSTRUCTION?Our AC filters are made of moisture-resistant cotton fibers and sturdy paperboard; The air conditioner filters feature an electrostatically charged pleated design to capture more harmful airborne particles, outperforms standard fiberglass filters ?EASY SIMPLE TO USE?Just open up your vent and remove the used filter, make sure the airflow arrows are pointing toward your HVAC unit, then slide the filter into the slot; It?s recommended to change your filters every 2-3 months for maximum efficiency; Note: Before buying a replacement filter, check the size of your current filter; For safety, turn off your HVAC unit before changing filters