Designed for Shark NP317W but also fits: Shark NP320 LA400 NP317W HV320 HV321 HV322 HV324 HV325 NP319 NP320W NR96 NV22 NV26 NV36 NV41 NV85 NV150 NV251 NV255 NV341 NV350 NV351 NV352 NV353 NV355 NV356 NV357 NV358 NV361 NV370 NV391 NV400 NV401 NV402 NV472 NV480 NV481 NV482 NV650 NV651 NV652 NV681 NV682 NV750 NV751 NV752 NV770 NV771 NV800 NV801 NV803 NV830 NV831 NV835 UV490 UV540 UV541 UV550 UV700 UV810 ZU60 ZU62 ZU70 ZU560 ZU561 ZU562 ZU572 ZU881.