18x20x1 Air Filters
MERV Rating Information
For the absolute best value in 18x20x1 filters today, look no further than FilterBuy! You’ll enjoy our Made in the USA quality and factory direct prices just as much as our same day shipping and no-cost shipping on orders over $75! Now that you have found the 18x20x1 filter size to accommodate your HVAC system, simply choose from among the four distinct performance options below to strike the perfect balance between filtration performance and overall price. Our MERV 6-rated filters are an excellent choice for those looking for maximum filtration at a low cost. These filters remove dust mites, pollen, mold, and more, and they are value priced to enable timely filter changes. An upgrade to a MERV 8 unit delivers additional dust filtering, while a MERV 11 or 13-rated filter will deliver hospital-grade performance – all without breaking the bank. Since 1958, our family-owned business has helped customers find the perfect replacement filters for their HVAC systems and household appliances. Contact us today to find yours!