Spin-on cartridges Spin-on cartridges are filter elements that are designed as a unit with a housing. Through their compact construction, maintenance-free handling and outstanding value for the money, spin-on cartridges are used with mobile machines and in the stationary area as suction and low-pressure filters up to 25 bar. Equipped with highly efficient Mic and Sm-x filter inserts, MAHLE spin-on cartridges achieve the same filtration rates in the multi-pass test following ISO 16889 as do standard hydraulic