This extinguisher is environmentally safe and is ideal for protecting delicate electronic equipment as the clean agent leaves no residue. The cylinder is manufactured from impact resistant steel and the valve assembly is metal. Size: 3"(Dia). UL listing: 2-B:C. Leaves no residue, acceptable alternative to Halon I2II. Agent will not cause thermal shock, class A capability. High performance clean agent, metal valve, handle and lever. Extinguishing material: Halotron. Fire type: Class B and C fires. Includes: Metal strap bracket. Operating time: 9s, operating distance: 6 - 10'. Operating pressure: 100 psi. Discharge time: 9s, discharge range: 6 - 10'. Weight: 6. 25 lbs. 6 years limited warranty. Testing and approvals: UL listed. Safety Data Sheet . With metal valve, handle, and lever Kidde 466727 I Fire Extinguisher is made of steel cylinder and is supplied with hanger. Suitable for use on Class B (liquids) and Class C fires (energized electrical equipment). The ProPlus 2. 5 H Halotron unit is environmentally safe and ideal for protecting delicate electronic equipment as the clean agent leaves no residue. The cylinder is manufactured from impact resistant steel and the valve assembly is metal.