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