W+F Engineering GmbH develops products for cleaning mobile toilet cassettes and PORTA POTTIS.
Our core product, the CAMPING BUTLER, is the only fully automatic cleaning robot on the market.
Each cassette type, as well as PORTA POTTIS and even future models, are recognized fully automatically,
opened, cleaned and closed. The CAMPING BUTLER can also fill the toilet cassette on request
with the right sanitary additive and only uses the highest quality products from the market leader.