20x25x4 Air Filter for A/C or Furnace. Actual Size: 19-1/2 x 24-1/2 x 3-3/4. Filter Rating: MERV 13 | FPR 10 | MPR 2200. Sold in Packs of 4. For your furnace or air conditioner, the 20x25x4 MERV 13 air filter efficiency ratings make these filters an excellent upgrade from disposable filters and ordinary pleated filters in applications such as homes, hospitals, laboratories and pharmaceutical plants, commercial office buildings, and in any system in which a higher degree of clean air is required. This A/C furnace filter will remove very small particles from the air in your home, as well as potential allergens like mold, pet dander, bacteria-even particles that carry viruses. MERV 13 Specifications: • Protects from pollen, dirt, dust, pet dander and virus carriers, smoke, smog, lead dust, oil smoke and micro allergens. • ASHRAE tested as required by LEED guidelines. • Heavy Duty Beverage Board Frame - Moisture resistant, sturdy frame material stands up to rough handling, difficult service conditions, long service life. • Low initial resistance also helps to promote low energy consumption • Expanded metal pleat support grid is made of galvanized steel for maximum rust resistance. • Our MERV 13 filters will not rack, warp or bend under normal handling or operating conditions. • Water-Repellent Adhesive - Adheres Even When Wet. The adhesive used to bond the frame and media pack into a unitized assembly is highly water repellent. The pleats hold together even when wet. No delaminating, no excessive buckling, no collapsing. • Industry applications: Pre-filtration for hospitals, general health care facilities, food processing plants, telecommunications, pharmaceutical and semi-conductor manufacturing, etc. • 100% Synthetic Media Pack Support Member, Galvanized Steel Pleat Support Grid, Water-Repellent Adhesive, Double Wall Frame. • Recommended to replace at least every 90 days • Made in the USA
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