Filters maintain the robot's cleaning performance while reducing the ingress of dust and other particles into the air we breathe. The H13 HEPA filter: In advanced models of modern vacuum cleaners, HEPA filters are often used as fine filters. The general operating principle of HEPA filters is the same for all of these filters: they are a fibrous, accordion-shaped material that removes even the smallest dust thanks to the microscopic fibers and the minimal spacing between them. Dimensions of the black HEPA filter: 136 x 88 x 33 mm. Size of the blue sponge filter: approx. 145 x 85 mm. Made of high quality materials, more durable Compatible with the following models: Samsung SC8420, SC8421, SC8425, SC8430, SC8431, SC8432, SC8440, SC8441, SC8442, SC8443, SC8448, SC8450, SC8451, SC8452, SC8453. SC84600 vacuum robot SC8461, SC8462, SC8470, SC8471, SC8480, SC8481, SC8483, SC84E0, VC-BN815, VC-MBN815, VC-PBN815, VH-84 Also suitable for types: for VCC8471H4O XSA, VCC8471X3O XEV, VCC8471X3R XEV,