- Respiratory exercise system for inspiration and/ or for expiration breathing exercises with resistors for PEP or PIP. - Equipped with one main connector, manometer connector and with 8 color coded resistors. - Resistor hole diameter: 1.5mm, 2.0mm, 2.5mm, 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm. - Single patient use.