Foam and felt filters fit perfectly. ***EDIT*** I found out there is a range of years, somewhere around 2013. Mine definitely uses a shorter filter, which is very noticeable now when looking at the distance from tongue to thumb. the top of the filter. This is a shorter distance. If you have an older model, please find this shorter distance in the pictures before purchasing! HEPA filters (plastic housing under the engine exhaust) do not fit my Shark NV480 as stated in the product details. . The…