Amazon.com: Drain All DH50-0LAAA Condensate Handler, Pneumatic Zero-Loss Drain Trap for Use with Compressed Air Systems, Aluminum, 1/2" NPT : Industrial & Scientific
Condensate Drain Valve and Timer with Y strainer ball valve isolation
Oil Free Mechanical No Loss Drain Archives - Power Flow
Donaldson Pneumatic Controlled Condensate Drain UFM-P - BP Industrial Supplies and Services, Inc.