The Ongrok replacement filter includes 2 easy to replace HEPA grade filters, just twist the device and pop in a new filter. For a fraction of the price to purchase a whole new unit, the Ongrok Filter is the time, cost and environmentally-friendly choice.
Each filter lasts approximately 1 month with regular use - (Subject to frequency of use and amount of smoke.)
At ONGROK, our goal is to "ENHANCE YOUR EXPERIENCE", by bringing you the best products possible. If you're ever dissatisfied, give us a shout, and we'll be certain to make things right