Tea Tree Power is the all-natural marine grade odor eliminator containing a proprietary blend of 100% Australian Tea Tree Oil and other natural ingredients. Its' powerful, yet pleasant smelling vapors, diffuse throughout your cabin and lockers, attacking and eliminating the source of unpleasant odors caused by mold, mildew, and bacteria. Tea Tree Power Gel slowly evaporates to provide continuous, natural, and long-lasting odor control for up to 3 months. It penetrates deep into porous materials (cushions, carpets, and upholstery) delivering a deep cleaning with enduring odor protection. Features: Strongest (40% stronger) and most economical refill available anywhere. Refill your existing containers to maintain healthy air naturally. Convenient foil packs. Large spout. Resealable for long shelf life.