Quality Filter Set For Your Shark : Compatible With Hv300, Hv300W, Hv301, Hv302, Hv303, Hv305, Hv308, Hv310, Uv450. Just Like The Original Ones, Rotating Your Vacuum In A Good Condition. | | Package Include : 2 Individually Packaged Foam Felt Filter Sets | | Washable And Reusable : Change It And Simply Rinse With Clean Water And Let It Completely Air Dry Before Reusing Them. Simple, Effective, Easy To Use And Clean. | | Keep Your Shark Healthy : You Simply Have To Remember To Change Your Foam/Felt Filter Every 3 Months, And Our Filter Will Keep Your Vacuum Efficiently And Healthy! | | 100% Satisfaction : Please