CompoCloset S1 Dry Flush Sealing Toilet | Pre-Order | Shipping May 2026

The S1 redefines off-grid hygiene with its advanced, battery-powered, heat sealing system. No Chemicals, No Plumbing, No Stress Automatic solid waste sealing for discreet disposal. Built-in urine diverter for eco-friendly operation Saving money by only sealing solids. Unlike traditional dry flush toilets, the S1's urine diverter keeps solid and liquid waste completely separate, odor-free, and out of sight—no mixing, no mess. It is the world's first separating sealing toilet, allowing you to only bag and seal what you need, saving you money by reducing bag use. Includes one cartridge liner of bags. Detailed Component Breakdown Dimensions: D X W X H: 17.0" x 15.2" x 16.5" Solids Container Capacity: 1.5 gallon (15.7 liter) Urine Bottle Capacity: 1.7 gallons (6.4 liter) LED Urine Level Indicator: An LED light alerts users when the urine bottle is full. Material Composition: ABS plastic body, stainless steel hinges, waterproof connectors Weight: Approx. 29 lbs (13.2 kg) Portability Features: Sturdy side handles for effortless transport The World's First Separating Dry Flush Toilet The internal Li-Ion battery powered sealing mechanism discreetly heat seals only solid waste, reducing odor and minimizing the need for frequent emptying. Choose from eco-friendly compostable or recycled plastic bags. Urine Diverter with LED Urine level Indicator Our improved urine diverter separates liquid waste from solid waste. The S1 also features an LED light that alerts you when the 1.7 Gallon urine bottle needs to be emptied. Separating Solids and Liquids Unlike other sealing toilets, the S1 separates the liquid waste from the solids waste. Saving on bags and saving you $$ No more paying to pee! The urine goes into an easy to empty urine bottle, while the solids are hygienically sealed and bagged for convenient emptying on the Go. The Perfect Balance of Comfort and Freedom RV & Motorhomes Tiny Homes Boats Campervans Off-Grid Home Use