A86429006 / 429006 EXTINGUISHER FIRE ABC FORAY 20LB Ansul® Sentry® Fire Extinguishers Suitable for both industrial and commercial fire protection needs, Sentry® Dry Chemical Fire Extinguishers are available for fires involving Class A, B and C materials (see above). The seamless, welded steel shell is 100% hydrotested to 600 psi and 100% leak tested via mass spectrometry. It's coated with tough polyester-urethane powder paint and features an extruded aluminum valve. Valve stem and ring pin are plated steel while pick-up tube is made of steel. Pressure gauges are color coded for quick comprehension. Six year limited warranty. Listed/approved by UL, ULC and USCG.