The Sip 390G Co2 Disposable Gas Bottle Is A Pressurised Steel Bottle Designed For Use In Mild Steel Mig Welding. Available As Single Disposable Bottle Or 12X Bottles Per Case Upon Request. • 390G Co2 Disposable Mild Steel Gas Bottle; Designed For All Mild Steel Mig Steel Welding • Supplied In A Heavy-Duty Pressurised Bottle • Available As A Single Bottle Or 12X Per Case • Other Sip Welding Gas Also AvailablePTDSIP02658