HQRP 2-pack Replacement Filter; | | Replacement for Part # 8106-01; Fits all H-P Products Filtered Cyclonic Power Unit models; Compatible with Dirt Devil, Vacuflo, Vroom, Royal Titan Central Vacuums Using the 7" Filter; | | Compatible with VacuFlo models FC300, FC520, FC530, FC550, FC610; Compatible with Dirt Devil models: Pro series 390, 590, 690, 890, 990, Platinum Force 299e, CV1800, CV2000, CV2200, CV2400, CV2600, and compatible with Royal models CS400, CS600, CS620, CS800, CS820; | | Washable and Reusable; Should be replaced once a year. | | Dimensions: 7" H x 6.3" OD. | |