MERV 16 Furnace Filters

MERV 16 filtration is capable of capturing particles between 0.3 micros and 1.0 with 98% efficiency. A MERV 16 furnace filter is perfect for anyone suffering from allergies, asthmas or have elderly residents and anyone with compromised immune systems.

A MERV 16 furnace filter is able to trap: common dust, debris, pollen, mold spores, hair spray, fabric protector, cement dust, pet dander, car fumes, smoke, bacteria/virus carriers and microallergens.

We currently carry only Lennox MERV 16 furnace filters, which are sourced directly from Lennox. Below, you can see a list of all MERV 16 furnace filter models we carry:

Lennox MERV 16 Furnace Filter Models:

Lennox X6672 - Carbon Clean Healthy Climate HCF16-16 16x25x5 MERV 16 Replacement Filter

Lennox X6675 - Healthy Climate Carbon Clean HCF20-16 20x25x5 MERV 16 Replacement Filter

Lennox X8789 – PureAir PCO16-28 16x26x5 MERV 16 Filter

Lennox X8788 – PureAir PCO20-28 20x26x5 MERV 16 Filter

Lennox Y6605 - 16x26x5 MERV 16 Pleated Media Filter

Lennox X8790 – PureAir PCO14-23 20x21x5 MERV 16 Filter

Lennox X7935 - Healthy Climate HCF14-16 Replacement 20x20x5 MERV 16 Filter

Lennox Y6604 - 20x26x5 MERV 16 Pleated Media Filter

Lennox Y6606 - 20x21x5 MERV 16 Pleated Media Filter

Lennox X6666 - PureAir PCO-12C Replacement 17x26x4 MERV 16 Filter

Lennox X5425 - PMAC-12C Replacement 28x17x6 MERV 16 Furnace Filter

Lennox X5424 - PMAC-20C Replacement 25x20x6 MERV 16 Furnace Filter

Lennox X8313 - 20x25x5 MERV 16 Furnace Filter

Lennox X8312 - 16x25x5 MERV 16 Furnace Filter

Lennox X6669 - 21x26x4 MERV 16 Pleated Media 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:

merv rating comparison chart

How Often To Change MERV 16 Filters

The frequency of MERV 16 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 16 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 16 filter is, we recommend checking it out.

Please see the image below on how to measure your MERV 16 filter accurately:

measuring furnace filter


Request Custom Size MERV 16 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.

Request custom size filter

If you need help finding your exact filter on and prefer to speak to someone, please give us a call at 1-888-979-4284 or email us at We are available Monday to Friday from 9AM to 5PM Eastern Standard Time.