The Camco TST MAX RV Toilet Treatment Drop-INs are essential camping hygiene accessories designed to control unwanted odors and break down waste in RV toilets. With a pack of 15 formaldehyde-free granules, these TST Max drops are easy to use and effective in keeping your toilet smelling fresh and clean. The orange drops contain sodium carbonate and are biodegradable, making them a convenient and eco-friendly solution for maintaining RV toilet hygiene. Made of plastic and with a shelf life of 900 days, these drop-ins are a must-have for any camping trip.