Instert of air filter, low round - ČZ 450-475, 476-488 Can be use for: ČZ ČZ 125 type 453 ČZ ČZ 125 type 473 - Sport ČZ ČZ 125 type 476 ČZ ČZ 125 type 488 ČZ ČZ 175 rikša type 505 ČZ ČZ 175 scooter type 501 ČZ ČZ 175 scooter type 502 ČZ ČZ 175 type 450 ČZ ČZ 175 type 470 - Sport ČZ ČZ 175 type 477 ČZ ČZ 175 type 487 ČZ ČZ 250 type 455 ČZ ČZ 250 type 471 ČZ ČZ 250 type 475 - Sport ČZ ČZ 350