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SILVER (1 INCH THICK) - The Economical Washable, Permanent, Electrostatic A/C Furnace Filter
152 reviewsRegular price From $79.99 USDRegular priceUnit price / per$99.99 USDSale price From $79.99 USDSale -
PLATINUM (1 INCH THICK) - The ULTIMATE Washable, Permanent, Electrostatic A/C Furnace Filter
52 reviewsRegular price From $159.99 USDRegular priceUnit price / per -
MaxMERV9 (1 INCH THICK) - The High Arrestance Washable, Permanent, Electrostatic A/C Furnace Filter
90 reviewsRegular price From $69.99 USDRegular priceUnit price / per -
ECO-FLEX - The Economical Flexible Washable, Permanent, Electrostatic A/C Furnace Filter
17 reviewsRegular price $99.99 USDRegular priceUnit price / per -
DELUXE-FLEX - The Flexible Washable, Permanent, Electrostatic A/C Furnace Filter
1 reviewRegular price From $179.99 USDRegular priceUnit price / per -
GEOTHERMAL - Made for Geothermal Units - Washable, Permanent, Electrostatic A/C Furnace Filter
38 reviewsRegular price From $109.99 USDRegular priceUnit price / per -
MEDIA-TYPE - Replacement Washable, Permanent, Electrostatic A/C Furnace Filter
45 reviewsRegular price $139.99 USDRegular priceUnit price / per -
1/4 Inch Filters for Mobile Home Furnaces and Electronic Air Cleaners (EAC)
10 reviewsRegular price $79.99 USDRegular priceUnit price / per -
Did you choose CUSTOM above?
1 reviewRegular price $5.00 USDRegular priceUnit price / per -
Please select the correct size range of your custom filter:
No reviewsRegular price From $10.00 USDRegular priceUnit price / per -
Would you like to add a set of 4 activated carbon after-filters to your order?
No reviewsRegular price $129.99 USDRegular priceUnit price / per -
Would you like to add a set of 4 activated carbon after-filters to your order?
No reviewsRegular price $129.99 USDRegular priceUnit price / per -
Please select the correct size range of your custom filter:
No reviewsRegular price $50.00 USDRegular priceUnit price / per -
Please select the correct size range of your custom filter:
No reviewsRegular price From $20.00 USDRegular priceUnit price / per -
Please select the correct size range of your custom filter:
No reviewsRegular price $50.00 USDRegular priceUnit price / per -
SILVER (2 INCH THICK) - The Economical Washable, Permanent, Electrostatic A/C Furnace Filter
25 reviewsRegular price From $109.99 USDRegular priceUnit price / per -
Please select the correct size range of your custom filter:*
No reviewsRegular price From $5.00 USDRegular priceUnit price / per -
Please select the correct size range of your custom filter:*
No reviewsRegular price From $10.00 USDRegular priceUnit price / per -
PLATINUM (2 INCH THICK) - The ULTIMATE Washable, Permanent, Electrostatic A/C Furnace Filter
6 reviewsRegular price From $229.99 USDRegular priceUnit price / per -
1/2 INCH THICK SILVER FILTER
1 reviewRegular price $99.99 USDRegular priceUnit price / per$0.00 USDSale price $99.99 USD
Frequently Asked Questions
Yes. Our permanent filters are available in standard and custom sizes. We offer 12 different filter types to fit most needs.
Give us a call or send us an email. We can help you choose the filters that's best in your application.
Some early permanent filters were very restrictive and gave the product a bad reputation in some cases. Some HVAC contractors still tell their customers that all permanent filters are bad. However, not all permanent filters are created equal. Like any type of filter, there is a balance between dust arrestance and air resistance. Our filters have very low air resistance. Even our most restrictive filters are no more so than a good pleated disposable filter.
With proper maintenance, you can expect your permanent filter to last at least as long as your HVAC unit. Some of our customers have been using their filters for over 15 years and counting.
No. All of our filters are electrostatic. They have special polypropylene media layers that build a natural static charge as air passes through the filter. The charge is broken and the dust is released when the filter is cleaned.