MERV 11 Furnace Filters
MERV 11 filtration is capable of capturing particles between 1.0 micros and 3.0 with 95% efficiency. A MERV 11 furnace filter is perfect for anyone with small children and or pets in their home.
A MERV 11 furnace filter is able to trap: common dust, debris, pollen, mold spores, hair spray, fabric protector, cement dust, pet dander and car fumes.
Many of these filters come in several MERV ratings, be sure to select the "MERV 11" option on the product page, as see in the image below:
Below, you can see a list of all MERV 11 furnace filter sizes we carry, organized by thickness:
1 Inch MERV 11 Filters
2 Inch MERV 11 Filters
3 Inch MERV 11 Filters
Lennox X0581 - BMAC 16x25x3 MERV 11 Furnace Filter
4 Inch MERV 11 Filters
Aprilaire 410 Replacement 16x25x4 MERV 11 Filter
Aprilaire 210 Replacement 20x25x4 MERV 11 Filter
Honeywell FC100A1029 - OEM Pleated 16x25x4 MERV 11 Air Filter
Honeywell FC100A1037 - OEM Pleated 20x25x4 MERV 11 Air Filter
Honeywell FC100A1011 - OEM Pleated 20x20x4 MERV 11 Air Filter
Honeywell FC100A1003 - Pleated 16x20x4 MERV 11 Air Filter
Lennox X6667 – PureAir PCO-20C Replacement 21x26x4 MERV 11 Air Filter
Lennox X6664 - PureAir PCO-12C Replacement 17x26x4 MERV 11 Filter
5 Inch MERV 11 Filters
Carrier & Bryant FILXXCAR0016 – OEM 16x25x5 Furnace Air Filter
Bryant / Carrier FILXXCAR0124 - Pleated 24x25x5 MERV 11 Air Filter
Generalaire / Reservepro 4541 MERV 11 16x25x5 Furnace Filter
Generalaire / Reservepro 4551 MERV 11 20x25x5 Furnace Filter
Generalaire / Reservepro 4556 MERV 11 20x20x5 Furnace Filter
Generalaire / Reservepro 4368 MERV 11 20x25x5 Furnace Filter
Lennox X6670 - OEM 16x25x5 Furnace Air Filter
Lennox X6673 - OEM 20x25x5 Furnace Air Filter
Lennox X0585 - OEM 20x20x5 Furnace Air Filter
Lennox X6673 - Healthy Climate HCF20-11 Replacement 20x25x5 MERV 11 Filter (OEM)
Lennox X0585 - Healthy Climate Cabinet 20x20x5 MERV 11 Furnace Filter (OEM)
Lennox X0586 - BMAC 20x25x5 MERV 11 Furnace Filter
Lennox X0584 - BMAC 16x26x5 MERV 11 Furnace Filter
Lennox X0583 - BMAC 16x25x5 MERV 11 Furnace Filter
Lennox X0587 - BMAC 20x26x5 MERV 11 Furnace Filter
Lennox X1152 - MF1-20 20x25x5 MERV 11 Furnace Filter
Lennox X0582 - BMAC 16x20x5 MERV 11 Furnace Filter
6 Inch MERV 11 Filters
Electro Air M1-1056 - 16x25x6 MERV 11 Furnace Filter (OEM)
Electro Air M8-1056 - 20x25x6 MERV 11 Furnace Filter (OEM)
Electro Air M2-1056 - 20x20x6 MERV 11 Furnace Filter (OEM)
Electro Air M0-1056 - 16x20x6 MERV 11 Furnace Filter (OEM)
Generalaire / Reservepro 13415 MERV 11 16x25x6 Furnace Filter
Generalaire / Reservepro 12758 MERV 11 20x25x6 Furnace Filter
Generalaire / Reservepro 13156 MERV 11 16x25x6 Furnace Filter
Lennox X0444 - PMAC-12C Replacement 28x17x6 MERV 11 Furnace Filter
If you are unsure of which MERV rating is suitable for your home, be sure to check out our MERV Rating Guide. You can also see a quick comparison chart here:
How Often To Change MERV 11 Filters
The frequency of MERV 11 furnace filter changes will highly depend on what is inside your home, where you are located and various other factors. We wrote a Filter Change Frequency Guide which will help you decide when it is time to change your furnace filter.
MERV 11 Furnace Filter Sizes
It's important to know the difference between nominal size and actual or exact size. We wrote a Guide for Furnace Filter Sizes, if you are not sure what the size of your MERV 11 filter is, we recommend checking it out.
Please see the image below on how to measure your MERV 11 filter accurately:
Request Custom Size MERV 11 Furnace Filter
If you still cannot find your furnace filter listed on our store, you can always request a custom size filter. Custom size filters can take up to 15 business days to deliver and all custom size filter sales are final (no refunds/exchanges). In order to request a custom size filter and receive a quote for your order, please click on the link below.
If you need help finding your exact filter on PureFilters.ca and prefer to speak to someone, please give us a call at 1-888-979-4284 or email us at support@purefilters.ca. We are available Monday to Friday from 9AM to 5PM Eastern Standard Time.