General description vhbw offers a set of 2 HEPA filters designed for compatibility with various Siemens vacuum cleaner models. These filters are engineered to enhance the suction capacity of your vacuum cleaner by effectively filtering out dust, allergens, and animal hairs, making them particularly suitable for allergy sufferers. With a larger filter surface area compared to standard filters, they ensure cleaner exhaust air by trapping even the smallest particles. Technical specifications Dimensions (L x W x H): 20 x 10.3 x 2.5 cm Material: Plastic Weight per filter: 104 g Form: Rectangular Colour: Black / White Compatibility and accessories Compatible with Siemens models: VSZ 51423, VSZ 51423/01, VSZ 52255, VSZ 52255/01, VSZ5142301 Replacement for: BBZ154HF, VZ154HFB, 57949, 00577303, 00579496, 647753, 17004549 Other information These high-quality replacement parts are designed to prolong the service life of your electronic devices.