Simple and light testing pump for compression testing up to 30 bar (440 psi). Pressure testing with water or oil of piping in residential and industrial construction as well as for industrial containers up to 30 bar in accordance with international and national standards. Testing hose with steel mesh prevents reading mistakes, that can happen when the hose expands during operation. Shock and corrosion resistant ABS plastic container with reinforced floor. Replacement Against Manufacturing defect (6 Months)