Use our Custom 1" Filtrete Air Filter creator to build your custom air filter. It's easy - just choose your exact dimensions and filter type.
Filter Modification - Custom sized 3M filters are converted from standard sizes to meet the required length and width specifications. The filters are modified in a U.L. certified air filter manufacturing facility and continue to meet the original specifications with regard to filtration efficiency and pressure drop. Sizes with at least one length or width in excess of 30 inches and/or 20 inches, respectively, will be manufactured by combining two Filtrete filters to equal the required dimensions. If a dimension exceeds 30" for 1" filters, or 25" for 2" and 4" filters, the filter will need to be created using two custom filters assembled together. This is a limitation of the materials used to build your filter.
Before ordering a custom size filter, please measure the length and width of the current air filter being used. We will make the length and width to your specifications with a tolerance of +0" - 1/8". This means the product delivered will never be larger than your specifications, but may be up to 1/8" smaller. This tolerance is typical of all custom made air filters and is the result of the manufacturing process. The actual depths are as follows:
The easiest way to make sure you order the correct size is to measure your current air filter's length and width with a tape measure. We will make the length and width to your specifications within a tolerance of +0" -1/8". What this means is your size entered below will never be bigger but may be up to 1/8" smaller. This tolerance is typical of all custom made air filters and is the result of the manufacturing process. The actual depths are as follows:
1" = 7/8"
- Custom filters can be as small as 5" x 5" and as large as 25" x 60" or 30" x 50"
- All orders (standard or custom) are sold in quantities of 6
- Custom size air filters require 5 business days to manufacture
Custom filters made to the "EXACT" size; this will result in custom pricing. Please check our "Shop By Size" options for the availability of your specific filter dimensions before ordering.
Backed by extensive 3M research; independent testing and in-home use tests, each Filtrete Filter is designed to meet the specific needs of homeowners and businesses. Filtrete Filters are designed to achieve the proper balance between particle removal efficiency and pressure drop (air flow). An electrostatic charge is applied to the filter media fibers, which attract and capture airborne particles.
In Door Air Quality - You care about the quality of your indoor air, and Filtrete air filters ensure that you breathe the difference. The filterís electrostatically charged media attracts and captures large and microscopic particles, including pollen, mold spores, pet dander, bacteria, smoke and particles that can carry viruses and odors.
Air Conditioning and Furnace Filter Performance Ė Filtrete air filters help properly designed forced air systems function well by cleaning the air without excessive air flow restriction. All Filtrete filters have a pressure drop less than .20 on a water gauge which is less than most competitorís entry level filters.