Please Note: Shark Has Two Versions Of Hv320 Series Vacuums That Use Different Filters. If Your Pre-Motor Foam Felt Filters Without A Hole, These Are The Correct Filters | | 6 Pre-Motor Foam And Felt Filters, 6 Post-Motor Exhaust Filters. Attention: The Pre-Motor Felt Filter And Post-Motor Felt Filter Are Smaller And Thinner, They Are Packed In Inner Packaging Bag Along With The Foam Filter | | Compatible Shark Rocket Deluxepro Ultra-Light Vacuum Hv320, Hv321, Hv324Q, Uv330, Uv422, Uv425Cco Filter Replacement | | Compatible Shark Rocket Truepet Ultra-Light Vacuum Hv320W, Hv322 Filter Replacement | | Compatible Shark Rocket Zero-M Self-Cleaning Brushroll Corded Stick Vacuum Hv345, Uv480, Zs350, Zs351, Zs352 Filter Replacement | |