SMC NVBA4100-T04N Obsolete. Use the following link to configure a replacement: https://www.smcusa.com/products/VBA-A-Booster-Regulator~160707 Booster regulator, 1/2NPT port, 2x boosting ratio, handle... NVBA4100-T04N
SMC NVBA4200-T04 MSRP: Now: $578.95 Was: VBA BOOSTER REGULATOR FD VBA 1/2INCH STANDARD (NPT) BOOSTER REGULATOR 1/2 *LQA USE: VBA42A-T04-Z NVBA4200-T04