Filter-regulator-lubricator is available in three body sizes (1/4, 3/8, and 1/2 in.) and five port sizes (1/8 to 3/4 in. NPT). Options include 5, 25, and 50 m filter elements, low-pressure range regulators, manual or auto drain filter, pressure gauges, and metal bowls. Units are of the relieving type and are constructed of polycarbonate and steel.Nycoil Co., (866) 322-6644,www.nycoil.com