Specially designed to meet the needs of today's physiology teachers.

Accurately measures lung volume

Used with the Gas Pressure Sensor to measure human respiration rates.

Helps eliminate the spreading of contagious material between students.

For use with Vernier Spirometer.

Significantly reduces how often you will need to sterilize your spirometer's flow head.

Make human respiratory measurements at rest and during moderate activity.

For use with Spirometer (S16251ND).