Fette Filter 3 -Pack - Shark Rocket HV300, HV300W, HV301, HV302, HV303, HV305, HV308, HV310, UV450 Compatible Foam & Filter Set - Replaces Shark Part XFFV300 3-Pack - Shark Rocket Compatible Filters. Contains 3 Foam & 3 Felt Filter Kits. Fits Shark Rocket Models: HV300, HV300W, HV301, HV302, HV303, HV305, HV308, HV310, UV450, UV450 26 Replaces Part # XFFV300. Premium Quality Fette Filter Brand Product.