1 Pack MA 25 True HEPA Replacement Filter for Machine, 3 in Pre

Keep your machine operating at its best with our MA-25 Replacement Filter Set Compatible AIR MA-25 machine（include MA-25 B1/S1/W1/B2/S2/W2）. Package includes 1 filters Product Size 9.64*6.85*1.37 inches, The MA-25 Medify machine requires this 2-pack for a complete replacement. This filter replacement features a pre-filter layer, a HEPA H13 filter layer, and an activated charcoal filter layer. All filters should be replaced after 2500 hours or about 3-4 months of use. Change the filter every 6~8 monthes ,Replacement your old and dirty filter without others tool, save your time and convenient.