Filter set for Roomba Series 800/900, AeroVac Type, 3-pack. Compatible with Roomba Series 800/900. The iRobot Roomba Series 800/900 vacuum robots automatically clean various types of floors from dust and dirt. The AeroVac filters capture the finest dust particles and trap allergens. Replacement filter pack. The AeroVac filter set includes a 3-pack of filters for replacement. The filters clean the air being sucked in from dust and other particles. Therefore, they need to be replaced at regular intervals.