Hello you are looking at  a ***UNITED FILTRATION SYSTEMS FILTER  MODEL ULSS-1/4" --2 ***

Features

  • Integral Porting and Mounting Bracket
  • 316L Stainless Steel Standard: NACE MR-01-75 Compliant
  • Up to 70 LPM Flow (2.5 SCFM)
  • 1500 PSIG Max. Pressure Rating on All SS Units
  • PTFE Assemblies Available
  • Oleophobic Membrane Bonded to O-Ring for Ease of Service

Applications

  • Protect On-Line Analyzers
  • Gas Chromatographs
  • CNG Sampling Systems
  • Moisture Barrier on Critical Monitoring
  • Probes, Mass Spectrometers
  • Sampling Conditioning

We have a research laboratory at our work and we have been cleaning out the store room.  Please look at pictures carefully as all items where used for various experiments over the years 

Measurements  : 4.0" x 3.0" .

Sitting in our dry heated store room for last few years .  
Photo are of the actual lot you will receive.

if you have any questions, please call or text at
 (TWO-03) 313-9396.
Thanks Rick!!