General description vhbw offers a set of 3 flat-fold/wet/HEPA filters designed for compatibility with Hitachi Hikoki RP350YDM, RP350YDH, and RP250YDM vacuum cleaners. These filters are engineered to enhance suction capacity and effectively filter out dust, allergens, and animal hairs, making them ideal for allergy sufferers. With a larger surface area than standard filters, they ensure cleaner exhaust air by capturing even the smallest particles. Technical specifications Filter class: L Dimensions (L x W x H): 25.6 x 19 x 6.7 cm Material: microfleece / plastic Weight per filter: 509 g Form: device-specific Colour: black / white / grey Washable: Yes Compatibility and accessories Compatible with: Hitachi Hikoki RP350YDM, RP350YDH, RP250YDM Replacement for: 631934000, 338634, 66370133, 35301000, 2607432015, FK 4300, FKP 4300, 416038, 416069, 4932373623, 4002395351510 Usage To maintain optimal performance, it is recommended to replace the filters every 3-6 months or when they no longer