Pneumatic Vacuum Regulator, Air Pressure Regulator ‑100 To ‑1.3Kpa Self Locking Regulating ABS for Home - Amazon.com
Amazon.com: Jeanoko Pneumatic Vacuum Regulator, Air Pressure Regulator Air Regulator Valve ABS ‑100 To ‑1.3Kpa with Dial for Industry 80 Vacuum Regulator Valve Vacuum Pump Regulator : Industrial & Scientific
BrandTech 20696842 Vacuum Regulation Valve with Manometer for ME1 Pump