200, 210, 220, 230, 250, 275 C, 300, 300 RX, 310, 325, RX-350, 380, 400 2S, 420 3SL, 430, 450 X3S, 500, 520, 530, 550, TK300. Replacing your bags and filters regularly will improve the cleaning performance and suction of your vacuum cleaner.