Shop Natures Head Composting Toilet and Accessories at Down Time Marine. We offer exclusive free shipping for the Composting Toilet and all orders over $250. This toilet is completely waterless, self contained and doesn't create sewage or the smell. It's a comfortable size to use and will work for home, cabin, tiny house, RV, workshop, boat and marine and survival applications. Down Time Marine is an exclusive dealer for Natures Head. Contact us with any needs, advice or additional parts.