Choosing the right air filter is important for keeping your indoor air clean as well as keeping your HVAC system working properly. Merv Filters LLC 18X18X1 MERV 8 furnace filters are designed with only premium material that attracts and captures allergens, including dust mites, mold spores, dust, lint, pollen, and pet dander. All our filters are “Made in the USA.”
Our 18X18X1 MERV 8 filters are made of a hypoallergenic pleated electrostatic synthetic material that traps allergens from your indoor air, ideal to use for the home or business property. These pleated air filters have the maximum dust holding capacity and very low-pressure drop. Made from moisture resistant beverage board frame that provides rigidity with double-wall thickness.
As a manufacturer, we recommend you to replace your 18X18X1 MERV 8 air filters every 90 days. But consider replacing the filter every 30-60 days if you have asthma- or allergy-sufferer in your home.
Important Note: Whenever you buy a 18X18X1 MERV 8 filters, make sure you measure the dimensions of a filter. The nominal size is bigger and the actual size is smaller in value. If the nominal size of the filter is 18X18X1, its actual size is 17.5X17.5X0.75