Regulator Inlet Nipples - we co-4 nipple
312-CO-4 Features: -Nipple.-Material: Brass.-Gas type: Carbon Dioxide (CO2).-CGA No. - CGA-320.-Thread size: 0.25'' (NPT). Dimensions: -Length: 2.5''.-Overall depth: 1.25 - 4.5'', 0.13 lb.