1 Inch Air Filters

1" Replacement furnace and air filters. Actual deminsions will vary, but are typically 3/4". All filters are made in the USA. All orders in the continental USA have free shipping. 

Subcategories

  • 10x10x1

    Our 10x10x1 air filters are perfrect for residential or industrial applications, available in both MERV 8 and MERV 11 efficiency ratings. The filters are made in the USA and manufactured by Quality Filters in Robertsdale, AL.

  • 10x16x1

    Our 10x16x1 filters are perfect for residential or industrial needs. These 10x16x1 furnace filters are offered as 10x16x1 MERV 8 and 10x16x1 MERV 11 efficiency ratings. The filters are made in the USA and manufactured by Quality Filters in Robertsdale, AL. Actual size of the filters is slightly less than the nominal filter size and is listed in the details section of the product page. 

  • 10x20x1

    Affordable filters in 10x20x1 sizes. Air filters for residential filtration or industrial air filtration needs. Our filters are available as a 10x20x1 MERV 8 and as a 10x20x1 MERV 11 filter. The filters are made in the USA and manufactured by Quality Filters in Robertsdale, AL.

  • 10x24x1

    All of our 10x24x1 air filters are made for residential or industrial applications and they are the perfect combination of price and performance. The filters are made in the USA and manufactured by Quality Filters in Robertsdale, AL. Available in both MERV 8 and MERV 11 efficiency ratings.

  • 10x25x1

    These 10x25x1 air filters work great for residential and industrial air filtration needs. The filters are made in the USA and manufactured by Quality Filters in Robertsdale, AL. We offer the 10x25x1 filters in both a MERV 8 and a MERV 11 efficiency rating. Filters ship directly from Quality Filters typically in 1-3 days after ordering. All orders have free shipping to the continental USA. 

  • 10x30x1

    10x30x1 filters for residential or industrial air filtration needs. These filters are manufactured to meet or exceed industry standard specifications. Our 10x30x1 filters are available in MERV 8 and MERV 11 efficiency ratings. The filters are made in the USA and manufactured by Quality Filters in Robertsdale, AL.

  • 12x12x1

    12x12x1 air filters for residential filtration or industrial air filtration needs. Filters are manufactured by Quality Filters in Robertsdale, AL. The 12x12x1 filters are designed to provide low resistance to air flow, allowing your system to run at its optimal efficiency. All orders have free shipping to the continental USA. 

  • 12x15x1

    12x15x1 air filters for residential filtration or industrial air filtration needs.

  • 12x16x1

    12x16x1 air filters for residential filtration or industrial air filtration needs.

  • 12x18x1

    12x18x1 air filters for residential filtration or industrial air filtration needs.

  • 12x20x1

    12x20x1 air filters for residential filtration or industrial air filtration needs

  • 12x22x1

    12x22x1 air filters for residential filtration or industrial air filtration needs.

  • 12x24x1

    12x24x1 Furnace Filters at SimplyFilters.com

    Made in the USA, our 12x24x1 air filters are ideal for residential or industrial air filtration needs. Manufactured to meet or exceed industry specifications. Filters ship free for all continental US orders. Available in both MERV 8 and MERV 11 filtration levels. The higher the MERV rating, the smaller the particles the filter will capture. Manufactured by Quality Filters in Robertsdale, AL.

  • 12x25x1

    12x25x1 air filters for residential filtration or industrial air filtration needs.

  • 12x30x1

    12x30x1 air filters for residential filtration or industrial air filtration needs.

  • 14x14x1

    14x14x1 air filters for residential filtration or industrial air filtration needs.

  • 14x18x1

    14x18x1 air filters for residential filtration or industrial air filtration needs.

  • 14x20x1

    14x20x1 air filters for residential filtration or industrial air filtration needs.

  • 14x24x1

    14x24x1 air filters for residential filtration or industrial air filtration needs.

  • 14x25x1

    14x25x1 air filters for residential filtration or industrial air filtration needs.

  • 14x30x1

    14x30x1 air filters for residential filtration or industrial air filtration needs.

  • 15x20x1

    15x20x1 air filters for residential filtration or industrial air filtration needs.

  • 15x25x1

    15x25x1 air filters for residential filtration or industrial air filtration needs.

  • 15x30x1

    15x30x1 air filters for residential filtration or industrial air filtration needs.

  • 16x16x1

    16x16x1 air filters for residential filtration or industrial air filtration needs

  • 16x18x1

    16x18x1 air filters for residential filtration or industrial air filtration needs.

  • 16x20x1

    Replacement filters for 16x20x1 air filters. Our filters are manufactured in the USA by Quality Filters, Inc. The filters are designed to optimize airflow, providing low resistance to maximize system efficiency. All air filter orders ship free to the continental USA.

  • 16x24x1

    16x24x1 air filters for residential filtration or industrial air filtration needs.

  • 16x25x1

    16x25x1 air filters for residential filtration or industrial air filtration needs.

  • 16x30x1

    16x30x1 air filters for residential filtration or industrial air filtration needs.

  • 16x32x1

    16x32x1 air filters for residential filtration or industrial air filtration needs.

  • 18x18x1

    18x18x1 air filters for residential filtration or industrial air filtration needs.

  • 18x20x1

    18x20x1 air filters for residential filtration or industrial air filtration needs.

  • 18x22x1

    18x22x1 air filters for residential filtration or industrial air filtration needs.

  • 18x24x1

    18x24x1 air filters for residential filtration or industrial air filtration needs.

  • 18x25x1

    18x25x1 air filters for residential filtration or industrial air filtration needs.

  • 18x30x1

    18x30x1 air filters for residential filtration or industrial air filtration needs.

  • 20x20x1

    20x20x1 air filters for residential filtration or industrial air filtration needs. Sold in cases of 12 filters. 

  • 20x22x1

    20x22x1 air filters for residential filtration or industrial air filtration needs.

  • 20x24x1

    20x24x1 air filters for residential filtration or industrial air filtration needs.

  • 20x25x1

    20x25x1 air filters for residential filtration or industrial air filtration needs.

  • 20x30x1

    20x30x1 air filters for residential filtration or industrial air filtration needs.

  • 22x22x1

    22x22x1 air filters for residential filtration or industrial air filtration needs.

  • 24x24x1

    24x24x1 air filters for residential filtration or industrial air filtration needs.

  • 25x25x1

    25x25x1 air filters for residential filtration or industrial air filtration needs.