Not just any hose though, you need rigid walled hose. Regular fire hose would just collapse flat under suction. https://en.wikipedia.org/wiki/Hard_suction_hose

Not just any hose though, you need rigid walled hose. Regular fire hose would just collapse flat under suction. https://en.wikipedia.org/wiki/Hard_suction_hose https://en.wikipedia.org/wiki/Hard_suction_hose