18x25x1 Merv 13 Furnace Air Filter

Our 18x25x1 MERV 13 furnace filters are manufactured with high wet strength moisture resistant beverage board shells with diagonal support to resist breakdown in high viscosity environment. The advanced synthetic air media laminated with expanded metal for extra support can efficiently capture 96% of airborne particles such as dust mites, pollen, mold spores, pet dander, dust and smog.

Our 18x25x1 MERV 13 filter is effectively designed to meet air filtration efficiency standards, ideal to use industrial, commercial, hospital, and universities applications, where higher efficiency air filtration is desired to eliminate fine particulates, bacteria, smoke, gases & odors, and allergens. We recommend replacing air filters 4-6 times in a year and more frequently if you are allergy sufferer.

Merv Filters LLC has been satisfying the needs of people looking for standard size and custom size replacement furnace and air conditioning filters online. Our products are proudly made in the USA. We offer multiple payment options, including American Express, MasterCard, PayPal, and Visa. All our products are delivered within 3-5 days.

Important Note: When it’s time to replacing furnace and air conditioning filters, measure the width, height and thickness of your filter to make sure you get the right size filter. The nominal size written on the pack is usually the rounded number of the actual size. In this case, the nominal size of the filter is 18x25x1, the actual size will be 17.5×24.5×0.75