SMITH Proportional Gas Mixer for Argon / C02 A must have for pulse, dual pulse and spray transfer MIG welding on steel and stainless steel. No need to source your custom gas mix. Have C25, 90/10, 92/8 or whatever you need at the turn of a dial. C02 tank with Harris regulator available at additional cost if needed. Price is FIRM @ $1895.00 Located in the Quadra/McKenzie area of Saanich and happily held for pick up with an etransfer payment