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Zephyr 20x25x3 VGF Merv 11 Media HVAC Air Cleaner Replacement Filter for Return Air Grilles. Case of 3

$107.30
$97.95
(You save $9.35 )
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  • The 20x25x3 Merv 11 VGF Series 3 inch Deep 6-month Pleated HVAC Air Filters are a filter upgrade for your Return Air Filter Grilles that traditionally use 1 inch 3-month filter.
  • Turns almost any air filter return into a media air cleaner. Gasketed Filter Eliminates dirty air bypass.
  • Merv 11 High Efficiency Filter removes allergens, dust and mold for your breathing air for 6 months
  • Lower static pressure drop than 1" MERV 8 filters. Fits most 1" Return Air Grilles without modification.
  • Robust construction and wire mesh support. The heavy-duty moisture-resistant filter frame retains its strength and shape even in high humidity environments, ensuring longevity and consistent performance.
  • Filter lasts up to 6 months. Made in the USA.
  • 20 x 25 x 3 VGF Merv 11 three-inch deep pleated Media Air Cleaner for return air grilles. A replacement filter upgrade to your traditional one-inch filter to a better three-inch media air cleaner that provides much better air filtration and air flow. This is a top-hat style filter has a self-sealing flexible 3/4 foam gasket that eliminates dirty air bypass, a superior design to filters that use a rigid gasket. Our unique filter gasket fits into the one-inch filter slot with the excessive depth of the filter protruding in the duct system. The foam gasket holds the filter in place preventing the filter from settling (noise) when your HVAC system cycles on and off. This deep pleated Media Air Cleaner delivers MERV 11 rated filter efficiency, delivers the lowest pressure resistance/pressure drop, highest dust holding capacity, and longest service life, which provides cleaner air to breathe and improved HVAC system efficiency via cleaner components. This filter is constructed with a synthetic media that delivers high efficiency. MERV 11 rated filters remove between 65% and 79% particle size ranges from 1 to 3 microns (which includes most dust and allergens) from the breathing air per ASHRAE 52.2 test results. Filter lasts 6 months...Great to use in HVAC Contractor twice per year Preventive Maintenance programs. Made in the USA.
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Frequently Asked Questions

  • What filter replaces a Zephyr VGF 20x25x3?

    • A compatible replacement for a Zephyr VGF 20x25x3 is a 20x25x3 MERV 11 deep pleated media air cleaner designed for the same return air grille configuration. Before ordering, verify the nominal dimensions, filter depth, gasket arrangement, and available installation space to confirm compatibility with the existing Zephyr VGF setup.
  • How to replace a 20x25x3 return air filter?

    • Turn off the HVAC system before removing the existing filter. Remove the old filter from the return air grille and check the airflow direction marked on the replacement. Position the new 20x25x3 filter with the gasket properly seated, then secure the grille and restart the system.
  • Is the Zephyr VGF 20x25x3 compatible with 1-inch return air grilles?

    • The Zephyr VGF 20x25x3 is designed to fit many 1-inch return air grille slots while extending deeper into the duct as a media air cleaner. Compatibility depends on the specific grille and available duct space, so dimensions and installation clearance should be verified before ordering.
  • How long does the Zephyr VGF MERV 11 filter last?

    • The Zephyr VGF MERV 11 filter is designed for a service life of up to six months under typical conditions. Actual replacement timing can vary based on HVAC operation, building conditions, and airborne particle levels. Regular inspection can help determine when the filter requires replacement.
  • What is the benefit of a 3-inch Zephyr VGF filter?

    • The 3-inch design provides greater filter media depth than a traditional 1-inch filter while supporting high dust-holding capacity and low pressure resistance. Its deeper pleated construction is designed for compatible return air grille applications and provides a longer service interval of up to six months.
  • What does MERV 11 mean on a Zephyr VGF filter?

    • MERV 11 is a filtration rating used to classify the filter's ability to capture airborne particles. This Zephyr VGF filter uses synthetic media rated MERV 11 and is designed to remove a significant portion of particles in the 1-to-3-micron range, including many common dust and allergen particles.