Tubing & Couplers


AFT11 Series Couplers

Couplers connect a variety of air flow port IDs and ODs to transducers, tubing and calibration syringes. Pick an AFT11 Series coupler that matches the port sizes that need to be interfaced. Smooth bore tubing, rigid and flexible couplers (15 through 45 mm diameters) are offered. 

Coupler –  Size  – Common Interface

AFT11A – 25 MM OD/35 MM ID – AFT6A to AFT1
AFT11B – 15 MM OD/22 MM ID – AFT10 to SS11LA
AFT11E – 22 MM OD/35 MM ID – AFT7 to AFT22/25
AFT11F – 35 MM OD/45 MM OD – SS52L to GASSYS
AFT11H – 35 MM OD/28.6 MM ID AFT13 to SS11LA
AFT11I – 22 MM OD/22 MM ID – AFT26 replacement coupler

Airflow Accessories—Suggested Uses

BIOPAC pneumotachs, AFT series, and couplers

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Part #: AFT11A, AFT11B, AFT11C, AFT11D, AFT11E, AFT11F, AFT11H

These couplers connect a variety of air flow port IDs and ODs to transducers, tubing, filters, mixing chambers, and calibration…

GASSYSTEM3 Calibration tubing

Regulator Barb Interface GASSYS3

Part #: AFT17

Use this Regulator Barb Interface with Luer lock to connect a regulator (such as GASREG) and GASCAL or GASCAL2 calibration…


Tubing – Smooth Bore

Part #: AFT7, AFT12, AFT7-L

Smooth bore tubing for breathing circuits. 22 mm ID: AFT12 1.8 m 35 mm ID: AFT7 1 m or AFT7L 3 m Smooth…