Airgas Model L244DLB Brass Specialty High Purity Two Stage Mini Regulator With CGA x 1/8" FNPT ConnectionThese compact, two stage analytical series and high purity stainless steel regulators are ideally suited for lecture bottles and other small cylinders. They are equipped with a CGA 180 connection for easy attachment to Airgas lecture bottles. Other CGA connections are available upon request, as the regulator is rated for 3,000 psig inlet pressure. This regulator also features a non lubricated needle valve, designed to regulate outlet flow. Choose a