18x20x1 AC and Furnace Air Filter by Aerostar – MERV 11, Box of 12

18x20x1 AC and Furnace Air Filter by Aerostar – MERV 11, Box of 12 Aerostar Filters Our eBay Store About Us Subscribe Contact Us 18x20x1 AC and Furnace Air Filter by Aerostar – MERV 11, Box of 12 Minimal Packaging At Aerostar Filters we like to pass the savings direct to you. All of our filters are made to order, boxed up, and shipped to your door. We reduce cost by not including promotional material, shrink wrap, or outer boxing. Nominal Size: 18 x 20 x 1, Actual Size: 17 3/4″ x 19 3/4″ x 3/4″, 18x20x1, AC and Furnace Air Filter Comparable to MPR 1000 to 1200 Micro Allergen Defense Comparable to Honeywell Allergen Plus FPR 7 Designed to filter microscopic particles such as lint, dust mites, spores, pollen, pet dander, dust, and smoke. Change frequency 60-90 days, Made in the USA. Product Details Size 18x20x1 Actual Size 17 3/4″ x 19 3/4″ x 3/4″ MERV Rating MERV 11 Model Number

Aerostar 18x20x1 MERV 8 – 6 Count – High Efficiency Pleated HVAC, Furnace & Air

The Aerostar 18x20x1 MERV 8 pleated HVAC filter is designed for high efficiency filtration in air conditioners and furnaces. Made with synthetic material and featuring a MERV 8 rating, this filter is effective in trapping airborne particles to improve indoor air quality. With a filter life of 3 months and being sold in a pack of 6, it offers convenience and cost-effective maintenance for your heating and cooling systems. Proudly manufactured in the United States by Filtration Group (Environmental Air), this filter is a reliable choice for keeping your home clean and healthy.