Source for solar power systems, composting toilets, mud bricks, and water-driven pumps.

Provider of vacuum sewage collection technology for municipalities and small communities. Vacuum interface valves, valve pit packages, vacuum station skids and vacuum toilets.

Description of various environmentally sensitive options including chemical-free products, composting toilets, rainwater catchment, gray water treatment, fire combustors, and food supplements.

A rare collection of facts, pictures and objects detailing the historic evolution of toilets from 2,500 BC to date. Located in New Delhi, India.