Replacement air filter for Chinese Maxi-scooters with GY6 engines and Kymco Heroism / Calypso scooters. 100% match of the original. Please check the design of your filter before ordering. Filters should be checked regularly and replaced if dirty. Similar to OEM No.: 172120-152QMI-0400 116mm x 82mm x H90mm, Connection width: 51mm x 67mm