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USED, salvaged from school surplus equipment, not tested, no spec sheet.Listing is for one (1) each gas purifier, Matheson model 450, no instruction manual, comes exactly as shown in the photo.• For Use With Matheson Cartridge Type: 451, 452, 453, 454• 2000 PSI Max
USED, acquired from school surplus, not tested, no spec sheet.Listing is for one (1) each pressure gauge 0-400, Ashcroft 1850, hose markings: Imperial Eastman C403-1 Rayon Braid USR, no instruction manual, comes exactly as shown in the photo.
USED, VINTAGE, salvaged from school surplus equipment, not tested, no spec sheet, manufactured February 1962.Listing is for one (1) each magnehelic pressure gauge, Ralph M. Parsons Co PN-100555-504 Cat. No. 1040F-6, comes exactly as shown in the photo.• 0-400 Standard Cubic Centimeters Per Minute (SCCM)
USED, acquired from school surplus, not tested, no spec sheet.Listing is for one (1) each pressure/vacuum gauge, Marsh Type 100-4, no instruction manual, comes exactly as shown in the photo.• 0-30 Vac/0-300 PSI• 2 Pound Subdivision (2 Lb. SUBD)• Fits 5" Panel Hole Size• 403 Stainless Tube• Backside Safety Blowout Plug & Connection Fitting
USED, acquired from school surplus, not tested (although both pointers move when air is applied to its specific fitting), no spec sheet.Listing is for one (1) each differential pressure gauge, US Gauge Co. 4 1/2 AD-10519, 100 PSI, navy emblem stamped on backside, comes exactly as shown in the photo.
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