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Welcome to Marquest Scientific. Manufactured and Assembled in Costa Mesa, CA U.S.A.
For over 30 years, Marquest Scientific has speciallized in the Design, Development, and Manufacturing of Corrosion Resistant & High Purity Fluid Handling Products.
PVC, CPVC, Polypropylene, & High Purity PVDF
 
 
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  Valves Instrument Isolators
  Throttle Master Needle Valves Tuff Guard Gauge Isolators
  Throttle Master "L Series" Needle Valves Mini Tuff Guard Gauge Isolators
  Throttle Master w/ Tubing Connection    
       
  Laboratory Fixtures Accessories
  Duraline Lab Faucets Water Quality Lights
  Series LG "Gooseneck" Lab Faucets PTFE Sealant Tape
  Series LT Lab Turrets Fill Fluids
  Series LB Lab Base Fixtures    
 
 
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