Spirette for the Personal Best spirometer by Philips Respironics, with a unique valve. The spirette reduces the risk of infection when using the spirometer for multiple patients, and the unique valve prevents patients from unintentionally inhaling air through the inspiratory flow testing device.

• Size of 1 piece: 5.5 cm height; diameter 8.5 cm.
• Weight of 1 piece: 7 g.
• Packaging size for 5 pieces: 10 x 18 cm.
• Packaging weight for 5 pieces: 35 g.

The package contains 5 pieces.