For over 40 years RVers have trusted the odor-stopping power of TST™. The name TST™ still guarantees the highest quality in sanitation treatments that contain no formaldehyde, are non-staining and are safe for septic tanks. 100 Percent biodegradable and environmentally safe.
Fast-Dissolving, Clog-Resistant Toilet Tissue Is Biodegradable And Septic Tank Safe
Contains No Dyes Or Perfumes
Limited 90 Day Warranty