Tested in house for proof of performance.  Aluminium regulator body with black oxidation Inlet thread: G1/2-14 Two Outlet threads: 1/8 npt A Brass plug with chrome plated for Outlet port The actual adjustable pressure range: 0-210ps The pressure gauge displays pressure: 0-235ps adjusted for 100±5 psi. Burst disc: 1.8K psi A set of spare  burst discs 1/8npt female head 2202 2 adjustment tools included in the box