18x18x1 MERV 8 Pleated AC Furnace Air Filters. 6 PACK

18x18x1 Air Conditioner and Furnace Filter. Actual Size: 17-1/2 x 17-1/2 x 7/8. Filter Rating: MERV 8 | FPR 5 | MPR 600. Sold in Packs of 6. Efficiently improve the air quality in residential or commercial applications with our MERV 8 18x18x1 air filter for your furnace or air conditioner. Unfiltered air or utilizing poor quality filters can potentially be hazardous to your health if kept un-checked. Eliminate harmful air particles and microbes from your home and business by changing out your air filters regularly with our high quality MERV 8 electrostatically charged air filters. MERV 8 Description: Engineered and designed for high strength and rigidity Pleat consistency optimizes performance Defends from Lint, Dust, Pet Dander, Pollen, Dust Mites, & Mold Available several standard face sizes Independently tested and verified for quality control 100% synthetic, proprietary media resists moisture and damage Very low pressure drop and maximum dust holding capacity Heavy duty, moisture resistant beverage board frame Two-piece frame provides rigidity with double-wall thickness around outer edge Rust-resistant, expanded metal support grid made of galvanized steel 100% water repellent, high-strength adhesive coats entire interior of frame Recommended to replace at least every 90 days Manufactured in the USA