General description Brand new, high-quality material, well-made, and well-matched to the equipment. Cleaning accessories keep your home robot running at its best while reducing the infiltration of dust, pollen, and other allergens into the air you breathe. The contents of the accessories are easily removed and replaced as part of routine maintenance. Technical specifications Material: Plastic Package Contents: 2 x Button, 2 x Spring Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible Model: V-3700Y, V-3710Y, V-982SER, V-2600SER, V-3700SER, V-3800SER, V-5800SE, V-4200SER, V-2940RL, V-2940RAL, V-CR142STN, V-3710R, V-866HAB, V-865SAY, V-864SAG, V-4200HAB, V-4200HAG, V-2600, V-2600G, V-132SDN, V-CR132SDN, V-CR132NBN Usage To achieve the best cleaning filter effect, the cleaning accessories should be replaced every 2 to 3 months depending on the frequency of use.