STF sets the standard for all liquid deodorizers. Introduced in 1975 as the first non-formaldehyde portable restroom deodorizer, it soon became popular around the world as the safest product on the market. STF is now available in five levels of concentration, giving you more control and options when determining your use level.
When conditions require the ultimate in portable toilet odor control, Fresh Form liquid deodorizers are the ideal choice. Made with formaldehyde, these four concentrates work best when conditions are at their worst.