S/T-MA5
- Pack of 5 teen-adult Speech Tutor masks with (40) screen
rings
S/T-R8
- Package of 8 replacement screen rings
S/T-H1
- Mask handle for using Oronasal mask with PT-2E and PT-25
Transducers
S/T-SW
- Handheld student-teacher switch
MA1-L/S
- Single layer mask. Select large L or small S
H-1
- Machined mask handle
PC-1
- Manual pressure calibrator
FC-1
- Flow calibrator
MS-110
- A-D electronics for airflow
FBP-030
- Module for reducing cut-off frequency of MS-100 Ch.A to 30Hz
BFC-2
- Bifurcated cable for using 2 pressure transducers simultaneously
OPA-1
- Oral Pressure Adapter with tubing
PT-2E
- Low-pressure transducer for airflow with extended frequency response
PT-25
- Medium-pressure transducer for 25cm H20
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