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In-line bubble removal in aqueous stream

The Bubble Trap (P/N = CTQ-006BT) from Fluigent is a device suitable for aqueous stream flows, perfectly fit to remove air bubbles to prevent :

  • biological sample damaging
  • sensors and chromatography columns drying
  • shear stress instabilities
  • cytotoxicity
  • volume sampling errors


  • Dimensions: 3.2×3.2×2.2cm3
  • Materials: PVC and PTFE
  • Maximum pressure: 2bar
  • Low internal volume: 115 µL




  • In-line bubble removal in aqueous stream
  • Robust design
  • Easy change of membranes (2 already included)
  • Chemicaly and biologically compatible materials: PVC body and PTFE membranes
  • Suitable with our standard 1/4”-28 Fittings
  • Suitable flow-rates up to 5mL/min


  • Avoids air bubbles near your cells
  • Steadies the flow-rate for your droplet generation
  • Can be used at the inlet and outlet of any system
  • Consumable membranes to avoid contaminations
  • Suited for 1/16” or 1/32” OD tubing to avoid additional fittings


  • Not autoclavable
  • Not for use with organic solvents (risk of leakage).
  • Always push liquids towards the trap
  • Membrane lifetime strongly depends on the kind of fluid used.
  • For pure water, the lifetime may be several months or years. Buffer solutions reduce lifetime and it is advisable to flush the unit with de-ionized/distilled water after use to prevent salt crystals forming.




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