30lb. 1/4 Flare R-12 Mobile Application Refillable Refrigerant Tank. Red Vapor Blue Liquid Ported Valve and a third port for vapor/air purge (a must for 3 hose recovery recycling units). 30 lb. capacity refrigerant tank for R-12, R-22, R-502 (universal) with 1/4" Flare fittings. Typically used on most older R-12 recycling units with the need for a third "purge" fitting. Fresh inventory NEVER OUT OF DATE.