General description vhbw offers a set of 2 flat pleated filters designed for multi-purpose industrial vacuum cleaners. These precision-fit filters ensure easy removal and exchange, making them compatible with both wet and dry vacuuming. They create a dust-free environment, making them ideal for allergy sufferers. Technical specifications Filter class: L - M Dimensions (L x W x H): 21.3 x 11.5 x 5.5 cm Weight of each filter: 139 g Material: plastic / paper Form: rectangular Colour: yellow / orange Washable: Yes Recommended replacement: every 6 months Compatibility and accessories Compatible with Flex S35, S35HO Replacement for: 452923, 500558, 259.307, 6.904-068.0, 6.904-156.0, 454700, 0702400195 Usage These high-performance filters have a high dust-holding capacity, ensuring efficient dust capture and retention. They allow for both wet and dry vacuum cleaning without the need to change the filter in between. Excellent filtration of dry fine dust and coarse dirt is achieved, along with