Dema 925 Foaming Machine, YOM 2021, Dema's portable units operate on compressed air and require only a pre-mixed chemical solution to create thick, long lasting foam. Features & Benefits: Portable and ergonomic design with 4 non-marking wheels for easy transport, Rotationally molded tank has superior durability, Features a pressurized tank with 95L capacity, Large fill cap opening for easy hassle free filling, Drain feature allows for easy emptying, 9.2m foam hose, 22cm cap makes filling easy.