Analab Instruments manufactures Gas Handling and Purification System with 8"/11" Hydrocarbon Trap. Analab Instruments also Manufactures karl fisher, mini station, moisture trap, hydrocarbon trap, oxytrap, inline micro filter, flash back arrestors and anti Return flow, casing capping, tubing, manifold, flexible tail pipe, cylinder regulator and cylinder mounting bracket. The Gas Handling And Purification System with 8"/11" Hydrocarbon Trap, Model GHS-ECO, consist of inlet and outlet stainless steel pressure gauge. The Gas Handling and Purification System with 8"/11" Hydrocarbon Trap has Pressure Regulator. This System has Needle Valve.