We carry equivalent gas mixtures and cylinders from all manufacturers, such as BIO, BW, Calgas, Crowcon, Draeger, GfG, IST-AIM, Lumidor, MSA, Norlab, Portagas, RAE, RKI and ISC. To find the equivalent for one of these, simply input their SKU/Part number in the search box below and you will be presented with our equivalent product.