Cooper’s Best Deodorizing Packets from PolyJohn give portable restroom operators an environmentally friendly option that helps control odors. These packets offer the ease and efficiency of an individually packaged deodorizer combined with a “green” formulation of bacterial agents that dissolves waste and destroys odors. Use one packet for 5 gallons of freshwater to service a unit. A case includes 250 packets. 800-292-1305; www.polyjohn.com.