Lennox makes superior quality air filters. Atomic Filters stocks an extensive selection of the Lennox brand air filters at the best prices including the popular X6673 air filters. The X6673 also known as the X6673 Air Cleaner Filter Media for HCC20-28 - 20x25x5 is compatible with a wide variety of systems including Honeywell, Trion Airbear and Carrier. It is however important when looking for a compatible filter to make sure it is compatible with the exact model. First you need to consider the actual size of the filter and make sure its actual dimensions match the filter you are replacing. Air filters are generally listed by their nominal size which can cause some confusion with consumers. What you might not realize is that filters are not sold by their actual dimensions. Instead a rounded up number is used to label filter packages. This measurement is referred to as the "Nominal Size".
Atomic Compatible for Lennox Model X6673 Air Cleaner Filter Media - 20" x 25" x 5" (2-Pack) FEATURES: Compatible for Factory original BMAC Healthy Climate Media Electrostatically charged disposable media Captures dust mites, pollen, mold spores, pet dander and other contaminants down to 0.3 microns Synthetic media offers large surface area for maximum dirt holding capacities with minimum air resistance Media is certified to UL 900 standard. UL classification - Class 2 Replace every 6 months under normal use SPECIFICATIONS: Nominal Dimensions: 20" x 25" x 5" Actual Dimensions 19-3/4" X 24-3/4" X 4-3/8" MERV 11 Fits Air Cleaner Fits Lennox® and Healthy Climate model # HCF20-16, HCF20-10, BMAC-20C, HCXF20-15, HCC20-28, HCF20-10 and HCF20x16.
Nominal size 20" x 25" x 5" (Actual size 19 7/8" x 24 3/4" x 4 3/8")
Trion Air Bear
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Getting the right filter for your furnace is not as easy as it used to be as new and old homes alike are switching to more sophisticated systems to protect the air quality in our homes. Originally HVAC filters were designed to protect the expensive equipment from dust and debris that could damage the systems and reduce performance. As indoor air quality in our homes has become a greater concern Companies like Lennox and Carrier have designed highly efficient systems to purify the air in your home. The more sophisticated Lennox PureAir systems, for instance, require replacement of both high-efficiency furnace filters and ultraviolet bulbs and catalytic filters. The fact is these new HVAC systems are providing ultra high-quality air in our homes to help protect the health of families, but often replacement parts and filters can seem to be costly if you do not know insider secrets.
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Many furnace filters are can easily be replaced with another brand and you may be able to get equal quality air filtration at a significantly lower price. But just because a filter has the same size printed on it as your current filter does not mean it is a suitable replacement. The Nominal size the filters may have printed on the filter and found in the title of the product is often different from the actual size of the filter. This Totaline P102-1625 has a nominal size of 16x25x1 but the printing on the filter also shows the actual size as "Size". This filter also lists compatible model numbers: M1-1056, AMP-M1-1056, P102-1625 and 918395.
When you are buying your air filter online most important thing to know is Air Filters have two sizes that you need to understand the Nominal size and the Actual Size. Not understanding these numbers often leads to consumers purchasing a filter that does not fit their Furnace or HVAC system.
Not understanding the Nominal Filter Size is the primary culprit for incorrectly purchased filters.The Nominal Size is the usually the dimensions used to Label the filter. For instance 16x20x1. These dimensions are a rounded value on the filters actual measurements. The actual measurements on this filter may be 15.5x19.5x.75, but that could vary by brand and manufacturer. So in order to make sure you have the correct size filter, especially if you are replacing with a different brand it is important to confirm the actual size on the filter. When purchasing filters on the internet the Nominal size is usually found in the product title.
The actual size as you might have guessed are the actual dimensions of the filter by length, width and thickness. This size is often on the filter right below the Nominal size and is usually labeled as the actual size. When you are buying a filter online the actual size is sometime in the product bullet point or the product description. If your filter does not have actual dimensions on the outside of the filter, you can measure you filter to get the correct dimensions. Some brands have a foam gasket on the outside of the filter, in this case, you will want to make sure you have a compatible actual size and that it also has the foam to ensure a snug fit.
|Size||Example 1||Example 2|
Furnace filters should fit securely but should not have to be forced into position. If you have to force the filter into its slot, then it is probably too big. Forcing an improper filter size in a filter can cause it to buckle, damaging the filter or reducing its ability to function properly. Filters are a smaller than their slot to allow for easy replacement. Some HVAC units may need a filter with dimensions that are unique or uncommon. In these cases, a custom filter needs to be ordered.