NANPU Polycarbonate Bowl with Semi-Auto Drain Replacement Kit for AF AW AW-D AC ARF DFR NW NW-D NC NC-D Series Filter/Regulator (1/2" NPT): Amazon.com: Industrial & Scientific
Parker PS832P Polycarbonate Bowl with Twist Drain for 07F, 12F, 07E Series Filter/Regulator, 7.2oz Capacity, 150 psig: Compressed Air Combination Filters And Regulators: Amazon.com: Industrial & Scientific