The products represented on this website and in our catalog may not be modified or altered in any manner other than by the manufacturer and must be used strictly in accordance with its intended purpose. Any such modification or alteration of this product will void the manufacturer's warranty relating thereto and the product's SFI certification. Modifications and alterations include, but are not limited to, [chrome or zinc plating, welding, cutting, grinding or heating]. All users of the product are advised that modifications and alterations of the enclosed product may reduce the product's safety and reliability and may result in death or serious injury to person or property. Any party that modifies or alters these products may be subject to liability for injuries and damages suffered by other parties as a result of such modification or alteration.

If it doesn't say PROBELL, it's just a can.