General description vhbw offers a set of 2 HEPA filters designed for Valex Ash Vac vacuum cleaners. These filters are essential for maintaining optimum suction capacity by effectively filtering out the smallest particles from the exhaust air. With a larger surface area than standard filters, they provide enhanced protection against dust, making them ideal for allergy sufferers. The filters can be washed and reused multiple times, ensuring longevity and efficiency. Technical specifications Diameter opening: 11.4 mm External diameter: 16.1 cm Height: 8.8 cm Material: microfleece / rubber Weight per filter: 161 g Form: round Colour: black / white Washable Compatibility and accessories Compatible with Valex Ash Vac Replacement for models: 400563, 760023, 8190.98 Installation Always ensure that the ash has cooled down to a temperature below 40 degrees before starting to vacuum. Usage Replace filters every 3-6 months or when they no longer clean effectively.