24 Volt DC Normally Closed (NC) Humphrey Solenoid Air Valve H110E1-2-PSL | Solenoid Air Valves | Air Valves | Air & Pneumatics | www.surpluscenter.com
Humphrey Products Company
Fangyid Reliable Humphrey Air Toggle Switch - 3 Way Pneumatic with Airtight Seal for ON/Off in Industrial Applications : Amazon.co.uk: Business, Industry & Science