The Gulper
London School of Tropical Hygiene and Medicine
The Gulper is a manually operated pump to empty contents from pit latrines that can be constructed using locally available materials.
The Gulper is a manually operated pump to empty contents from pit latrines. A standard Gulper will reach 1m-1.5m into the pit and an extendable Gulper will reach up to 2m into the pit. The Gulper can pump semi-solid sludge, be constructed using locally available materials, be paid off through fees charged by emptiers for their services, and work in confined spaces. The design is open source, and has been trialled in many countries.
Worldwide
The Gulper can be manufactured globally using locally available materials, and has been implemented by a number of organizations including Engineers Without Borders, Water for People, SEB Engineering, Programme Solidarite Eau, Irish Aid, and Water Aid.
Costs vary depending on local materials, approximately 160 USD.
Other emptying products including the Vacutug, the Diaphragm Hand Pump, vacuum trucks, and the Dung Beetle.
Goal 6: Clean water and sanitation
Latrine emptiers
