Made to handle easier and recharge quicker.\Features\ - Larger neck opening\ - Square thread design for rapid valve removal\ - Threaded siphon tube \ - Hose strap won’t scratch cylinder\ - Larger pull pin & handle for ease of use\ - 1/Each Model Number: 21007866|UOM: EA|Size: 5 lb|Dimensions: 16 7/16"H x 7 1/2"W x 4 1/2"D|Technical Data:|Model Number: ADV-550|UL Rating: 3A:40B:C|Class: ABC|Cylinder Material: Aluminum|Recharge Expellant: Nitrogen|Operating Pressure: 195 psi|Temperature Range: -40°F–120°F|Agent Flow Rate: 0.42 lb/sec|Discharge Time: 14 sec|Discharge Range: 12–18 ft|Shipping Weight: 9 lb, 8 oz|USCG Approval: Type A, Size II & Type B:C, Size I|Bracket: 466400 (Sold Separately)