Super Precision Metering Valve -
If you want the ultimate precision and best-constructed valve, this is the one. So precise that it is categorized as a Metering Valve. Amazingly 1° tapered! Fits most CO2 Regulator Kits on the market. Inlet - Male Threaded NPT 1/8" (measures 1/4" OD physically) / Outlet - Hose Barb 1/8" (or 4/6 mm ID/OD tubing). Or use can use it inline w/ 2x 1/8” barb fittings (attachments included)