Inflatable PFD Level 150, automatically activated 150N inflatable bladder, approved to AS4758-150. Slim and designed for continuous wear, this PFD is ideal for all recreational boating. Inflatable body features 5mm radio frequency welded seams with a heavy duty PVC protective cover over the CO2 cylinder and firing mechanism. The 38mm wide, webbing back strap includes a heavy duty adjustable side release buckle. An oral inflation tube, whistle and 25mm “D” ring lanyard attachment point are also included. This PFD will automatically inflate if the wearer enters the water. It can also be orally inflated by blowing into the oral inflation tube or manually inflated by pulling on the “rip cord”. If inflated by any method other than the oral inflation tube, the jacket needs to be re-armed before it can be put back into service. An annual service record chart is printed on the inflation bladder.