20x25x4 Standard Filters

NOTE: Please compare the actual size of your current filter with the actual sizes listed on our site. A nominal 20" x 25" x 4" filter can be different actual sizes depending on the brand of your air cleaner.
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What Our Customers Have to Say

Jamie McKay 1 day ago
Great product and price !
Bill Reilly 1 day ago
Good air filters, offer good sales.
Michael Jinks 3 days ago
Great filters, great company. Worked with me on filters I had left. Refunded cost.
PLC - Frankfort Ky 3 days ago
I use this size on my intake register in the hall. You'd be amazed at what it catches. Right next to the bathroom. Catches hair and dust and powder.