1L,2L,3L,4L,6L,9L Mechanical foam annihilator utilizes anti-dissolving hydro-genic film as the fire-extinguishing chemical.The inner part of the pressure-storing cylinder has gone through the special treatment of corrosion-resistant spray. It is used to stamp out the early-rising fire disasters from various combustible soild materials & liquids.It is widely suitable for industries and warehouses such as oil fields,oil depots, petrochemicals and so on. The extinguishing agent is poison-less and has no pollution. It is fit for households, folk residences, and public places.