Review of X6670 Lennox 16x25x5 MERV 10 Filter Media

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List Price: $54.00
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Purchased from Discount Furnace Filters. Product was actual OEM Lennox product and fit perfectly into our Lennox furnace filter box. OEM products may cost a little more, but ensure a perfect fit, something that is not always true with generics. If buying a generic filter, be sure to go by actual size, not official size, which is rounded to the nearest inch. These filters must fit tightly to ensure that air does not bypass the filter, and there appears to be no standardization among filter box makers, so the temptation to produce something "close", that will work across multiple brands, is strong for the generic filter replacement makers. Close may work in horse shoes, but not air filters.

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I have a new Lennox 2.5 ton overhead AC as a 2nd zone for the 2nd floor of my home. My son has multiple allergies in addition to borderline asthma, and these filters are great. Much cheaper putting these in myself than having the HVAC guy do it. With use every night during the summer, and the fan running all day, I need to change these every spring.

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Item came quickly and for about half what the AC contractor was going to charge.

Fit perfectly and works well.

Honest reviews on X6670 Lennox 16x25x5 MERV 10 Filter Media

Product is genuine Merv 10 and fits perfectly into my housing.

Have been using for past 3-4 months and very happy.

I normally use the MERV 16 but decided to downgrade this time

to save money with variable speed blower, etc. Air in home is

very nice and keeps my coils clean.

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I'm used to the days where you would have to buy a new filter every month. We replaced our furnace a few years ago and have been buying these filters from the company that installed them since we couldn't find them in the big box stores. What a relief to finally find them online. We are paying less for them than we were paying the local company and they are the exact same filter. They say they last 12 months, but I change mine every 6, just to be safe. I will keep buying as long as the price stays the same. Thanks.