【Various of Compatibility】：The 20x20x3 air filter is able to fit most 1'' return air grilles with no issues. Self-sealing flexible gasket provide longer lifespan of the filter. Many homeowners are limited as to their choice of filter replacements that because of the one-inch limitation of filter grilles. The 20x20x3 air filter solved the problem perfectly with the various of compatibility.
【Longer Lifespan】：The 20x20x3 MERV 13 air filter is designed to last up to 6 months or longer that depends on local environment factors. We recommend you change your air filter every 6 months for the best performance.
【Dimensions】：The outside dimensions including gasket are 20''x20''x3'', the inside dimensions of the filter are 18-3/8'' x 18-3/8'' x 3''. The dimension of the MERV 13 filter allowed many homes across the country install the filter easily without retrofitting their systems.
【Low-Pressure Drop】：The low-pressure drop design of the 20x20x3 MERV 13 filter is able to lower the energy consumption and maintenance, furthermore, extends the useful lifetime of your HVAC system. 10-12 pleats per foot filter face area increase the filtration efficiency of the air filter.
【Excellent After-Sales Service】：All of our products have passed our strict inspection before any shipments. If any problems occur when comes to using the 20x20x3 air filter, feel free to contact us, and we will send a new one to you for free or provide you with a full refund. If you have any questions about our 20x20x3 filter or questions related to other problems, please feel free to contact us, and we will reply to you within 12 hours
Description
Virego 20''x20''x3'' MERV 13 Air Filter 2 Packs, 20x20x3 Air Filter Last Up to 6 Months, Pleated Design Air Filter Fits Most 1'' Return Air Grilles
Filterbuy 18x30x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.75 x 29.75 x 0.75 Inches)
KWD 38
Filterbuy 13x21.5x1 Air Filter MERV 8 Dust Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 12.88 x 21.50 x 0.75 Inches)
KWD 23
Filterbuy 20x23x1 Air Filter MERV 8 Dust Defense (12-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 19.50 x 22.50 x 0.75 Inches)
KWD 47.500
Filterbuy 18x18x1 Air Filter MERV 11 Allergen Defense (6-Pack), Pleated HVAC AC Furnace Air Filters Replacement (Actual Size: 17.50 x 17.50 x 0.75 Inches)
KWD 22
