PEEK Inline Microfluidic Bubble Trap

Elveflow's redesigned Bubble Remover is an inline microfluidic bubble trap made from autoclavable PEEK (Polyetheretherketone). Developed in collaboration with engineers and researchers, it features a leak-proof design, PTFE microporous membrane, and optional vacuum-assisted operation for maximum bubble removal efficiency.

Working Principle

The bubble trap uses a microporous PTFE membrane (10 µm pores). As fluid flows through, gas bubbles are expelled through the hydrophobic membrane while aqueous liquid is retained — zero leakage. Operation is passive by default; a vacuum line can be added (e.g., from an OB1 MK4 vacuum outlet) for enhanced performance.

Key Benefits

• Autoclavable PEEK body — biocompatible and chemically resistant
• PTFE membrane — hydrophobic, 10 µm pores, easily replaceable between experiments
• Two operation modes: passive (no vacuum) or active (vacuum-assisted, up to 60 mL/min)
• Typical use range: 0.5–2.0 mL/min (passive); up to 60 mL/min with vacuum
• 3 internal volume options: 23 µL (S), 95 µL (M), 362 µL (L)
• Standard 1/4"-28 threaded ports — compatible with 1/32", 1/16", and 1/8" OD tubing
• Pressure rating: 2 bar (30 psi)
• Compact: 47 × 34 × 28 mm, L-shaped stable footprint

Applications

Recommended for any microfluidic experiment sensitive to air bubbles: cell perfusion, organ-on-chip systems, fluorescence imaging, flow cytometry, and any setup using a pressure controller as the fluid driver.