NI-712 Odor Eliminator, Orange Continuous Spray, 9 Cans Unlike most grocery store air fresheners, NI-712 actually eliminates airborne odors it doesnt just cover them up. Superconcentrated one spray keeps an average 10 x 10 x 10 room odor free for up to eight hours! Eco-friendly! Contains no harmful propellants like many aerosols. Delivers a fine mist for greater coverage with no fallout! No sprayers needed! Smells like a million freshly cut oranges!