2016 Model tank has shaved corners to ease the cleaning process.
This system was chosen for the Mt. Everest Cleanup project in 1998; financed by Nike and Microsoft.
Eco-Safe uses a 5-1/2 gallon rotomolded plastic tank that fits inside a military surplus rocket box.
Large aluminum tank is the basis of this toilet system by Partner Steel, which is the one preferred by many commercial river outfitters. Tank has a 12″x 17″ base, which makes a stable platform when set up for use.