Faber 12 ltr 300 bar Twin Set W/SS Bands & Isolation Manifold Somewhat heavier than Faber lightweight 232 Bar cylinders but that’s the penalty you carry for higher pressure cylinders. The manifolds are suitable for O2 sevice & Din convertible & the twinning bands are the best you can buy. Finaly the whole assembly stands on black rubber cylinder boots. Everything you need to assemble a twin set Postage to UK mainland £12