All filters are junk compared to the originals. Engine pre-filter one inch shorter. Had to stack 2 of these and still didn't work. Dirt collects in certain places on the filters and clogs them. A lot of dirt gets into the vacuum mechanisms. Dirt is evenly distributed around the original filters. These filters will definitely shorten the life of your vacuum cleaner. Big mistake. With the same success, you can do without a filter!
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