12x18x1 A/C Furnace HVAC Filters. �Exact Measurements: 11-1/2 x 17-1/2 x 3/4. �Filtration Rating: MERV 8 | FPR 5 | MPR 600. � Efficiently improve the air quality in residential or commercial applications with our MERV 8 12x18x1 HVAC Filters 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 HVAC Filterss regularly with our high-quality MERV 8 electrostatically charged HVAC Filterss. 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 drops 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
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