Mann+Hummel Purolator Archives - Fleet Equipment Magazine
Clearing the (engine) air: Getting the most of your engine air filters

Proper engine air filtration helps engines perform at their best. When it comes to air filter servicing frequency, Steve Carter, air applications engineering manager for Donaldson notes, “Change your filter when your restriction measurement device tells you to do so. An air filter should be serviced when the restriction indicator shows that the maximum allowable

Daimler-Salisbury-Engine-Air-Filter