ProPaxx Elite Series portion-control non-formaldehyde deodorizing packets from J & J Chemical provide long-lasting color and odor control designed for demanding conditions. They are formulated with multiple odor control components that engage when needed. The time-released fragrances help keep portable restrooms smelling fresh longer, while helping to clean the holding tank. They are available in a variety of exclusive fragrances and sizes. 800/345-3303; www.jjchem.com.