Would you like to add a set of 4 activated carbon after-filters to your order?

Would you like to add a set of 4 activated carbon after-filters to your order?

Regular price $129.99 USD
August Sale Price $129.99 USD
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Description

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Frequently Asked Questions

Our permanent filters are available in standard and CUSTOM SIZES. If you do not see your size listed in the drop-down menu on this page, please go to our Custom Filter page by clicking HERE. Once on the Custom Filter Page, just click on the filter you want and it will take you to a page where you can choose your custom size using the drop-down size menus.

Feel free to CONTACT US if you still cannot find your size.

Yes. You can find the MERV ratings for each filter in the Product Description section on the product page. You can also find the MERV rating in the comparison chart on the COMPARE FILTERS page.

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.

No electricity is required. 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.

Please check out our COMPARE FILTERS chart. In addition, feel free to CONTACT US. We can help you choose the filters that's best in your application. We try to reply in 1 hour or less.

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.

Cleaning is simple and easy. We recommend vacuuming the dust off the filter every month and then backwashing with water every 2-3 months. We also offer an ELECTROSTIC FILTER CLEANER to clean the filter more thoroughly.

While permanent filters have a higher upfront cost, they save money over time. Most customers recoup their investment within 1 year.

Yes! By switching to permanent filters, you eliminate the need for disposable filters that end up in landfills. Our filters are made from sustainable materials and can be used for years, making them an eco-friendly choice for your home.