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Lennox X6670 Furnace Filter

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Lennox X6670 - Healthy Climate HCF16-11 MERV 11 Replacement Filter 16" x 25" x 5"

SKU: X6670
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Full Description

*Lennox upgraded this filter from a MERV 10 to a MERV 11**Still the same size but even better filtration effectiveness!* is the web's #1 source for the Lennox X6670 MERV 11 filter. Order your Lennox X6670 MERV 11 filter today and receive fast, efficient, FREE Shipping on Orders Over $125 (Continental U.S.)!

This MERV 11 X6670 filter from Lennox offers a 98% efficient filtration media capturing particles as small as 0.3 microns before they can collect on your coils. High-efficiency alternative to one-inch filters. Its larger media capacity allows for greater dust-holding ability.
The Lennox X6670 MERV 11 filter is a suitable replacement filter for the Lennox HCC16-28 Air Cleaner as well as many other Lennox, Honeywell and Carrier Air Cleaners that accept a 16" X 25" X 5" filter media.
The Lennox X6670 filter is designed to fit the X6660 HCC16-28 Air Cleaner, as well as the following air cleaner models:
  • Lennox: HCC16-28, HCC16-28, HCXF16-16, HCF16-16, HCF16-11
  • Carrier: EZXCAB016, FILCABCC0016, MPKA0016, MACPAK, MPKA, MAC
  • Honeywell: F25A1043, F25F1042, F35F1008, F100F1012, F150E1026
We sell only genuine, brand new OEM replacement filters. The Lennox X6670 is one of the most popular Lennox replacement filters on the market and is the web's #1 choice for low price, fast delivery and great customer service!
We have the Lennox X6670 filter in stock and offer same day shipping for orders placed before 5:00 EST.
If you have any questions, please Click Here to contact our Sales Department or call 888-623-4678.



Best Seller? Yes
Brand Lennox
Depth 5"
Dimensions (Inches) 16 x 25
MERV Rating MERV 11

Users Reviews

Great product!

I placed an order on 01/30 and received it on 02/03. It is a great place to
order from, starting with customer service right down the line. Everyone is so helpful, which is always such a plus!

Review by Jude (Posted on 2/7/2016)
i bought 5 may of 2013

these filters do a great job.much better than store bought.

Review by denny (Posted on 5/31/2015)
reduced pleat count

shipping and everything else all filters have a reduced pleat count 13 pleats to 9 pleats on the same filter.filters are also more expensive than last order.while still good value overall quality is less given the reduced pleat count.

Review by (Posted on 3/6/2013)
What a bargain!

I was very pleased with the Lennox x6670 filters which arrived today. They are exactly what I needed and they arrived only 5 days after I ordered them. And by ordering five filters using a discount code for making my first order, along with free shippin

Review by FranGran (Posted on 11/14/2012)
Lennox X6670

These are the same filters I buy from my supplier in town & I save almost half price when I order 6. For a family of 5 this is a great savings!!! Thank-you.

Review by Crystal (Posted on 9/21/2012)
Excellent Product & Excellent Customer Service

I'm saving a bunch ordering 5 of these from Shipping quote to Canada seemed a bit high so I called the 1-800 number and got the most courteous and helpful service. I ended up ordering by phone and they reassured me that shipping

Review by M. Dee (Posted on 8/23/2012)
Fast Shipping

I ordered three of these and they arrived quickly to my front door. Definitely better than going through my local HVAC company. They wanted the same price I paid for three of these shipped for just one of theirs in stock. This is the third order I've p

Review by Joe Anders (Posted on 4/10/2012)

I recently purchased 2 Lennox X6670 filters from for less than the price of ONE of the same filters from my Heat & Air Company that installed my system. This company is a Godsend for this senior citizen on Social Security! Look n

Review by Pat (Posted on 6/6/2011)
Very Satisfied

I ordered two X6670 furnace filters on Tuesday, May 10, 2011 and selected the free shipping option. I received the filters on May 14, 2011. I was very satisfied with the delivery time and the cost of the filters. I was able to purchase two filters for abo

Review by Tom (Posted on 5/25/2011)
Lennon H/C HFC-10 MERV 10 Replacement Filter

I am very happy with discount furnace. It would have cost me 3 times the amount of money if I purchased the filter through the company from where I purchased my furnace. It was delivered quickly.

Review by (Posted on 6/8/2009)
Decreasing allergens and dust

In our home we have two people who struggle with allergies. While using the NaturalAire filter these two people continued to have allergic reactions even inside our home. We then switched to the Lennox HCF filter and their reactions have decreased signi

Review by Mary Ann Cook (Posted on 6/8/2009)
Furnace Filter

I purchased this filter as OEM for a new High efficiency furnace purchased. A service person who replaced the filter recommended replacement at a high price. Discount furnace had the lowest price and OEM which I wanted to make sure the warranty is not voi

Review by D. LEVIN (Posted on 6/8/2009)

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