Used condition; may have wear and age related marks. See pics for condition / what’s included / testing conducted. Edwards D02172000 APG-M-NW25 ST ST Active Pirani Vacuum Gauge NW25 Edwards Active Pirani Gauge, exact part D02172000 and model APG-M-NW25 ST/ST. Exact specialist and eBay evidence confirms the NW25 stainless configuration. Condition: Used industrial surplus item with possible age, storage and cosmetic wear. Untested unless explicitly stated; see photographs for exact condition and included parts. Please match the exact part/model/configuration and photographed connectors/specification to your application before purchase. Includes x1 Active Pirani Vacuum Gauge as photographed.