1. Wide compatibility for Shark Rocket HV321 HV324Q HV325 HV320 HV320W HV322 HV320C HV322Q UV330 HV301 HV300 HV302 HV303 HV305 HV310 HV300LA HV300W HV300C HV300WC HV301C HV301HX HV301PL HV301Q HV302Q HV306Q HV307QBK HV307QHX HV307QQPK HV307QPR HV307QW HV308Q UV330 UV450 Vacuum Replacement Parts 2. Please note that this product is only compatible with HV300 and HV320 series, not compatible with NV500 and NV520 series, NV350 and NV360 series, NV650 and NV752 series, please confirm the model before purchasing 3. High quality, made of high quality material, can clean paper scraps from carpet and dust in crevices. 4. It is easy to disassemble and assemble, and it is convenient to clean up the tangled hair on the roller brush in time. Warm reminder, if the roller brush of the vacuum cleaner is seriously worn, please replace it with a new one in time. 5. Regarding after-sales service, if the product fails to meet your satisfaction, we will provide you with a 30-day return warranty. Reminders NOTE: This is not a Shark OEM product and is not covered by any Shark manufacturer's warranty. Any use of the Shark brand name or model name on this product is for the purpose of demonstrating compatibility only.