WEB WP1620 Eco Furnace Filter Plus, 16-Inch by 20-Inch Review

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(More customer reviews)The filter traps at least as much dirt as disposable filters, probably more. For this reason regular cleaning is required. The instructions say not to use a vacuum because it can damage the filter but I usually use a vacuum anyway. I don't see how the vacuum can damage it and the filter works just as well today as when I bought my first one about 6 years ago.
I've got 3 air returns and now I use these filters on all of them. I'll never go back to disposables partly because of the ongoing expense but partly because I don't want to store them or have to go find replacements when needed. I'm trading the inconvenience of storing and purchasing for the inconvenience of having to clean the filter. Pick your poison. At least with this filter the economic expense is only one time.
Even though I usually vaccum the filter, several times a year a deep cleaning with a garden hose is needed. If you have pets and the air return is near the floor then the pet hairs will get trapped in the plastic grid. It can be a real pain to pull them out. The vacuum and the garden hose both fail to clean them out. However, water makes them clump together to pull out easily by hand but it is still time consuming. This is why I gave it 4 stars instead of 5. I only did this detail cleaning once a year. Our new house has air returns in the ceiling, so the pet hair is no longer an issue.
If you would rather clean the filter than store and buy new ones then this is the filter for you. That reminds me, that other reviewer that had a clean filter must either have a super clean house or maybe didn't use the air conditioner or furnace during the mild months or somehow is drawing air from another source. There no way this filter would appear clean after even as little as 10-20 hours of filtration use in a normal household. You might think about investing in an electronic thermostat which keeps track of usage like an odometer and reminds you to clean or replace your filter after 100 hours. During the summer or winter 100 hours of use could occur within as little time as a week. In the fall and spring, it could take 2 or 3 months to accumulate 100 hours of usage.

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Sold as one unit. (1 unit = 4 each.) Permanent filter. Washable/High Efficiency. Attracts dirt, dust, pollen, pet dander. Automatically recharges after each cleaning. Sturdy dual grill plastic frame never needs replacement parts. Lifetime warranty. MERV 8. Bagged. 16 x 20 x 1. Manufacturer number: WP1620-4PK. SKU #: 4206942. Country of origin: (TBA). Distributed by Web Products.

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