About This [Specification] Nominal size: 12x12x1 air filters (Exact size: 11 3/4"x11 3/4"x 3/4"). Widely applicable to your furnace, air conditioner, heat pump or HVAC system, home, office, school and commercial space [Advantage] The MPR 600 MERV 8 rate filter is strong enough to filter out 90% of odor, dust, pollen, and hair, effectively blocking pet dander and keeping the air clean [Filter Upgrade] The proper thickness of the filtering cotton cloth makes the operation process less noisy, the pleated design of the filter increases the surface area of the filter to better optimize the filtration effect, and the wire can firmly fix the filter paper to prevent the filter from collapsing or deforming during use [Easy to Install] Locate the airflow arrow printed on the side of the filter and slide it into the filter slot of the unit, keeping the arrow in the same direction as the airflow [Change Furnace Filters] As you spend more time working in your office or home, it is recommended that you change your furnace filter every 2-3 months for clean air, especially during the change of seasons Overview Brand : WEBISAU Material : Cotton Product Dimensions : 11.75"L x 11.75"W x 0.75"Th MERV Rating : 8 Compatible Devices : Air Conditioner, Furnace, Heat Pump Number of Items : 4 Manufacturer : WEBISAU Product Grade : new Unit Count : 4.0 Count
