Semi Flow Unit 1000 UFC-1000 O2 20 SLM 1/4" VCR Oxygen MFC Mass Flow

Semi Flow Unit UFC-1000 O2 20 SLM SLPM 1/4 VCR Oxygen MFC Mass Flow Controller. Condition is "Used". Shipped with USPS.

Tested- works.
Unit instruments
Model: Unit 1000 (also known as UFC-1000)
Gas media: oxygen
Range: up to 20,000 SCCM (20 SLM)
Interface: card edge 10-pin/side
Input/output fitting: 1/4" VCR
Max back pressure: 500 PSI