General description vhbw offers a set of 8 replacement filters designed for standard, wet, or multipurpose vacuum cleaners. Regular filter changes (every 6 to 12 months) are essential to maintain optimal suction capacity. These filters effectively capture residual dust that may escape the filter bag, ensuring that only clean air is released back into your environment. This feature is particularly beneficial for allergy sufferers, as it helps create a dust-free and pet-hair-free space. Technical specifications Filter class: L - M Dimensions (L x W x H): 21.2 x 18 x 4 cm Weight per filter: 203 g Form: rectangular Colour: black / white Replacement cycle: approximately every 6 - 12 months Compatibility and accessories Compatible with Festool CTL 48 E AC, HF-CT26, CTL 26 E AC, CTL 36 E AC, CT AC Replacement for: 4.96170, 4.96172, 496170, 496172, 203759, HF CT 26/36/48 Installation Quick & easy installation