CHARLES CVC370, HZQ370, NVP370, WV370, EDWARD EVR370, MFQ370, NVQ370, WV380, GEORGE GVE370, NQS350B, NVQ380, WVT370, HZQ200, NRV370, NVQ382, XV370, HZQ250, NRV380. Alternative Product Code: NVM2BH. Designed with a solid retaining collar to keep all dust securely inside, these bags help maintain powerful suction while improving overall hygiene — ideal for allergy sufferers.