Ona PRO Gel, 1 qt active air If your pre-filter is dirty

If your pre-filter is dirty or discolored

Rock SuperCharge can be used to help improve average yields

Do not add to existing solutions

UNCLE JOHN'S BLEND (UJB)

Fill with clean water and add 2

Ona PRO Gel, 1 qt active air If your pre-filter is dirtyONA PRO is new and exciting! These are prefessional grade products. The first product in this series is ONA PRO Gel. Constantly striving to improve their odor neutralizing products, they have developed a formulation that takes odor control to a new level. ONA PRO Gel is as close to odorless as ONA has ever come. Although it has a slight scent when sniffed in the container, the final result when working on powerful, noxious odors is simply a clean,