hose for any fire hore extinguisher. dry powder, CO2, foam, and water fire hose dry powder,CO2,foam, wheeled fire hore extinguisher hosedry powder tube thread: M14*1.5,M16*1.5,380MM LENGTH,570MM LENGTH, and for wheeled, w24*1.5, 4m lengthCO2 tube thread: W21.7, W22.5