For every LPG gas cylinder bottles you buy - online or at the gas store, always check for the Nigeria federal government and company name SON...on the body. This is a mark of quality. It means the particular gas cylinder bottle went through and passed the quality assurance test.

Yes they expire due to rust both inside and outside. However, for best cylinder don't use iron gas cylinder bottles. Buy aluminum. Get a plastic and wood pallet put on top a shade from sun.

Be careful of the plastic LPG gas cylinder sold nowadays. A lot of people patronizing these types because it's less heavy and lighter.
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