At first I thought they were pretty lousy for the price and with HEPA filters along with regular vacuum filters. But I thought they would last me for a while while I could get an order for a brand name. A TOTAL SURPRISE with use (and I clean filters daily, not Hepa filters) is that they actually wash better and last longer. GREAT! I have owned a cleaning business for over 8 years and have only used Shark products on vacuums and steam mops. I scrupulously wash my filters at the end of each day. Very surprised I haven't had any cracks on the sides of the foam filter yet. (Through that length of use I have, with others) So you really seem to be better than my others. I can really recommend them. Great filter, great price!