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Filters Fast 4-inch MERV 8 4" HVAC Air Filters 3 PACK Made In USAPlease view the actual vs. nominal size details below.The Filters Fast 4-inch MERV 8 Air Filters, 3-pack have a MERV 8 rating and can be used in a variety of applications including residential and commercial. MERV, or Minimum Efficiency Reporting Value, indicates when a filter will be least efficient. So the higher the MERV rating, the more efficient the filter. It should be noted that most fiberglass spun filters such as those found in your local grocery store are usually only a MERV 1 or MERV 2. This can affect the efficiency and air flow of your heating and cooling system, causing it to work harder to produce the same air flow and costing you more money!Filters Fast Air Filters MERV 8 effectively reduce pollen, dust, pet dander and other allergens from your indoor air. Removing these airborne particles can help improve allergies and alleviate sinus irritation that can cause watery eyes, itchy throat, coughing, and sneezing. Aside from the health benefits, quality air conditioning filters will also extend the life of your heating and cooling system by making it work more efficientlyFilters Fast Air Filters are an economical alternative if you're looking for a quality air filter without paying a premium price!Filters Fast four inch air filters contain pleats which creates a greater surface area to catch airborne particles. These air filters should be changed every 3 months for optimum performance.Filters Fast 4-inch MERV 8 Air Filters, 3-pack specifications: 3 pack
MERV 8
Replace filter every 3 months for optimum performance. The actual capacity will depend on your air quality and usage.The Filters Fast 4" Air Filters are available in the following sizes:
Nominal Size Actual Size 12x24x4 11-3/8 x 23-3/8 x 3-5/816x20x4 15-1/2 x 19-1/2 x 3-5/816x25x4 15-1/2 x 24-1/2 x 3-5/818x24x4 17-3/8 x 23-3/8 x 3-5/820x20x4 19-1/2 x 19-1/2 x 3-5/820x25x4 19-1/2 x 24-1/2 x 3-5/824x24x4 23-3/8 x 23-3/8 x 3-5/825x29x4 24-3/8 x 28-3/8 x 3-5/820x24x4 19-3/8 x 23-3/8 x 3-5/8
