General description vhbw offers a set of 4 HEPA filters designed specifically for ash vacuum cleaners, including compatibility with Westfalia AS15L Nr. 88 85 44 and WAS15 models. These filters are engineered to enhance suction capacity by effectively filtering out the smallest particles from the vacuum cleaner's exhaust air. With a larger surface area than standard filters, they provide superior dust protection, making them ideal for allergy sufferers. Technical specifications External diameter: 16.1 cm Internal diameter: 11.4 cm Height: 8.8 cm Material: rubber / microfleece Weight per filter: 164 g Form: round Colour: black / white Washable: Yes Compatibility and accessories Compatible with Westfalia AS15L Nr. 88 85 44 Compatible with WAS15 Replacement for: 760023, 7906401704, 8190.98, 400563 Usage To maintain optimal performance, it is recommended to replace the filters every 3-6 months or when they no longer clean effectively. Always ensure that the ash has cooled down to a