Rubbermaid TC T-Cell Refills The T-Cell odor control system dispenses a consistent level of fragrance. Up to 33% refill source reduction over traditional 30 day systems. Standard setting lasts 60 days for standard size washroom, 3 to 4 stalls. Light setting lasts 90 days for smaller size washroom, 1 to 2 stalls. No propellants or added VOCs. Recyclable refill components. Preference Pack contains one refill each of Blue Splash, Citrus, Crystal Breeze, Polar Mist and Wakening Spring. Awakening Spring (Pkg u/m = 6/cs Sold By u/m = Case)