EnviroCare Replacement Filter for Shark Rocket Foam & Felt Filter Hv300, Hv310 Series, Part # Xffv300 and 1080ftv320, (2 Foam & Felt Kits) Shark Rocket Foam & Felt Filter Kit Kit Includes 2 Individually Packaged Foam & Felt Filter Sets 100% Compatible with Shark Rocket Vacuum Cleaners HV300 and HV310 Designed & Engineered By Envirocare Technologies #F655 Replaces: Shark Euro-Pro Part Number # XFFV300 & 1080FTV320