The Scotty Four Litre Foam Kit is designed for attachment to a fire hose. The Unit provides a fast and simple solution to a fire scene where a requirement exists to combat fire with Class A or Class B (AFFF) foam. The flowrate of the unit is 40 GPM (150 Lts.). It has a fixed eduction ratio of 1% for Class A foam or 3% with Class B (AFFF) foam.