DO NOT BUY WRONG: This filter kit only compatible with Shark earlier version of HV319Q, HV320, HV321, HV322, HV324, HV325, UV330, UV422, UV425. There are two versions vacuums (Same Model Number) that use different 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. From outside of the outer packaging or inner packaging bags, usually not visible or the exposed small part can be seen. Please check, the filters will appear after opening the inner packaging bags. This item has 3 inner packaging bags, each pack(kit) contains 1 foam filter, 1 pre-motor felt filter, 1 post-motor felt filter, total of 9 filters. Fits Shark Model: Rocket DeluxePro Handheld Vacuum HV319Q. Rocket DeluxePro Ultra-Light Vacuum HV320. Rocket DeluxePro Ultra-Light Vacuum HV320C. Rocket TruePet Ultra-Light Vacuum HV320W. Rocket DeluxePro Ultra-Light Vacuum HV321. Rocket TruePet Ultra-Light Vacuum HV322. Rocket DeluxePro Ultra-Light Vacuum HV322Q. Rocket DeluxePro Ultra-Light Vacuum HV324Q. Rocket DeluxePro Ultra-Light Vacuum HV325. Rotator Professional Lift-Away Ultra-Light Vacuum UV330. Rocket DeluxePro Ultra-Light Vacuum UV422. Rocket DeluxePro Ultra-Light Vacuum UV422CCO, UV425CCO. Replaces Part # 1080FTV320 & 1084FTV320. PLEASE NOTE: For best performance of your vacuum cleaner, the filter should be replaced every two months.