Review on 🔍 Premium Replacement Filters for Shark Powered Lift-Away DLX NV580, NV581, 581Q - Anewise Kit (2 Pack Pre-Filter Foam and Felt + 1 Hepa Filter), Compatible with Shark Part #XFFT580 by Joe Clayton

The filters worked with our Shark Navigator even though they were a bit too big, but the Cumulus filter was a slightly different design than ours, allowing the housing to fit the receiver while it didn't lock ( functions). ). If you had the model it was made for you would probably be fine, but there was no way to tell this product apart from the description. We threw away the heap filter, ordered it from Shark and use disposable (white) filters.