Filtrete air filter with packaging displaying

ONE SMALL CHANGE CAN MAKE A BIG ONE.

Thank you for choosing the Filtrete™ Refillable Air Filter to help clean your air with less waste! We want to make this switch as smooth as possible, so keep scrolling for assembly and installation instructions, refill options, and tools to help stay on top of filter changes.

How to Assemble and Install

When ready to replace, discard the refill into the garbage — save 75% more space and create 20% less waste.

Compared to equivalent size traditional Filtrete™ Air Filters, and by weight.

Receive filter change reminders and outdoor air quality alerts.

Download the Filtrete™ Smart App to set up change reminders for your Filtrete™ Refillable Air Filters, or any Filtrete™ Brand Air Filter. Choose your preferred reminder timing, and get notifications when the filter change timer is low or at zero to remind you to order a refill. Track your outdoor air quality, receive helpful tips, and keep up with the latest news from Filtrete™ Brand.

A disassembled Filtrete refillable air filter with 5 stars.

Happy with your new filter? Let us know what you think!

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Time to change your filter?

Filtrete™ MPR 1550 Refillable Air Filters (included int the kit) or Filtrete™ MPR 1000 Refillable Air Filters are available for the Filtrete™ Reusable Air Filter Frame. Select the filtration level that’s right for you. You’ll be able to choose from the sizes available and see the retailers that carry your chosen filter.

Filtrete™ MPR 1550 Refillable Air Filter

Allergen, Bacteria & Virus (MERV 12)

FIND YOUR SIZE
Filtrete™ MPR 1000 Refillable Air Filter

Allergen Defense (MERV 11)

FIND YOUR SIZE

Support

Have a question about the Filtrete™ Refillable Air Filter? Check out our FAQ’s below. Still need help or would like to provide us your questions or comments directly? You can reach us by phone, email or via the Contact Us form below.

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1-800-388-3458

Monday – Friday
8AM – 4:30PM CST

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email request in 24 – 48 hours

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FAQs

What sizes are available?

Available nominal sizes are 16x25x4 and 20x25x4. The nominal size can be called out differently depending on the brand or the system. Please check the actual size of the frame. If it is still not what you are looking for, please call 1-800-388-3458 from the United States or Canada or send a message and we will let you know when your size is available.

Available nominal sizes are 16x25x4 and 20x25x4. The nominal size can be called out differently depending on the brand or the system. Please check the actual size of the frame. If it is still not what you are looking for, please call 1-800-388-3458 from the United States or Canada or send a message and we will let you know when your size is available.
What systems does Filtrete™ Refillable Air Filters fit?

It depends on your system size:

16x25x4 is designed to fit Honeywell®, Lennox®, Carrier®, Bryant® & more cabinets.
This frame works best in slots sized within the range listed below:
Min: 19⁷∕₈ in x 24⁵⁄₈ in x 4¹⁄₄ in (50.4 cm x 62.5 cm x 10.8 cm)
Ideal Max: 20 in x 24³⁄₄ in x 4³⁄₈ in (50.8 cm x 62.8 cm x 11.1 cm)

20x25x4 is designed to fit Honeywell®, Lennox®, Space-Gard® & more cabinets.
This frame works best in slots sized within the range listed below:
Min: 15⁷∕₈ in x 24⁵⁄₈ in x 4¹⁄₄ in (40.3 cm x 62.5 cm x 10.8 cm)
Ideal Max: 16 in x 24³⁄₄ in x 4³⁄₈ in (40.6 cm x 62.8 cm x 11.1 cm)
What filtration levels (MPR/MERV) are available?

Currently two filtration levels are available:

Filtrete™ MPR 1550 Refillable Air Filter Allergen, Bacteria & Virus (MERV 12), which is included in the kit

Filtrete™ MPR 1000 Refillable Air Filter Allergen Defense (MERV 11)

Select the filtration level that is right for you.
How can I purchase the Filtrete™ Refillable Air Filter Kit and Refills?
Please click to purchase to make a small change with big impact. In the store, look at the aisles where you buy your traditional filters.
If the filter is the wrong size or comes damaged, what should I do?

Please return to the retailer you bought from or call 1-800-388-3458 from the United States or Canada.

Please return to the retailer you bought from or call 1-800-388-3458 from the United States or Canada.
How do I assemble the filter?
Assembly is very easy and takes under a minute. First, open the frame by pulling the latches outward. Then, insert filter ends into the frame slots. Finally, close the frame and secure the latches. Please click on the link to watch the instructions.
How do I make sure the filter will not collapse/get sucked into the HVAC system?
Ensure the filter is assembled correctly — see assembly instructions. Make sure the ✓ (check mark) is visible through the frame window and the frame is fully closed. Insert the frame with the airflow arrow pointing towards the blower motor.
Does the direction of the reusable frame or refillable filter matter?
Yes, there are air flow arrows on each side of the frame and you need to insert the frame with the air flow arrow pointing towards the blower motor. There is only one way to insert the filter into the frame slots and you will see a ✓ (check mark) when the filter is assembled correctly.
Is the refillable air filter component reusable?
The frame is reusable and designed to last the lifetime of your HVAC system (up to 20 years). The refillable air filters are not reusable, but one filter lasts up to 12 months.
Can I use any brand to refill the reusable frame?
The reusable frame is designed to work with Filtrete™ Refillable Air Filters.

Is there an easy way to track my filter life?
Download the Filtrete Smart App — not only to set up a time, but also for easy filter replacement. The Filtrete Smart App also helps track your outdoor air quality, while offering tips, promotions and more.
How should I dispose of the filter?
You can place the refillable filter into the regular landfill garbage, keeping your trash less full by 75% less space, and 20% less waste by weight and than the traditional Filtrete™ Air Filters.
Where is Filtrete™ Refillable Air Filter made?
The reusable frame is made in the U.S. and the refillable air filter is made in Mexico.
Do I need to clean the frame?
Some buildup of dust over time is normal on the frame. If needed, clean with water and wipe dry.

*Based on 2024 Sago US Brand Health Survey of Residential HVAC Air Filters. More particle capture than Filtrete™ MPR 1000 filter. 20% Less waste than traditional Filtrete™ Air Filters, by weight.