It's simple, Volant intakes with Donaldson® PowerCore® filtration is the best off-road air intake solution on the planet. Not all air filters are created equal. Filters are purpose built for the environment in which they are used. Volant intakes with Donaldson® PowerCore® air filters are built specifically for harsh environments to provide maximum filtration, enhanced performance and elevated levels of engine protection. Designed with Ultra-Web® nanofibers, Donaldson® PowerCore® air filters filter out microscopic debris other air filters can't. Better yet they offer a true no-maintenance filtration option. Simply install your Volant intake with Donaldson® PowerCore® air filter and forget it.