Solid brass flowmeter regulator designed for Mig/Tig welding applications provides accurate regulation of shielding gas flow. Reliable performance in commercial and industrial applications. Top mounted polycarbonate flow tube is square shape for easier reading and calibrated for both Argon and Carbon Dioxide gases. Argon(Ar) flow, 10-60 scfh, Carbon Dioxide(CO2) flow. Front mounted dial guage indicates available tank pressure. Back-pressure compensated to ensure accurate readings when line restrictions are present. Large diameter pressure guage for easier reading. Has internal safety pressure relief and sintered bronze inlet filter. Standard fittings, inlet CGA580, outlet 5/8"-18RHT. CAUTION! In Co2 applications, use this regulator with only non-siphoned standard Co2 cylinders. Regulator Flowmeter AR/Co2 (CGA580) 721-0005Elsewhere: $ 99.00Welding Direct Price Additional discounts may be available for volume orders. To speak with a customer service representative for details, call, toll free, 1-866-568-3170 . Welding-Direct.com is in no way affiliated with the above named manufacturers. References to named machines, torches, welding guns and numbers is for your convenience only. Most parts advertised for sale are made by or for Welding-Direct.com; other parts, as indicated, are original parts (OEM) and are simply being resold by welding-direct.com. Copyright 2004 Welding-Direct.com. All rights reserved. Details on our Free Delivery policy may be found on our Information page.