SDI Spirotube Cardboard Mouthpiece, Type F, 22 mm OD, 20 mm ID, 500/Pack

These cardboard Spirotube mouthpieces are for compatible spirometry equipment using the listed Type F tube dimensions. Each tube measures 22 mm outside diameter, 20 mm inside diameter and 63.5 mm long. The selling pack contains 5 bags of 100 mouthpieces (500 total).

Image note: Manufacturer product-family image shown; the pictured tube sizes have not been verified. The supplied item follows the listed type, dimensions and selling-pack specifications.

Pack contents: Photo shows example cardboard mouthpieces from the manufacturer family, rather than the full selling pack. Supplied as 5 bags of 100 mouthpieces (500 total per pack).

• Manufacturer item: 29-7400
• Mouthpiece type: F
• Material: Cardboard
• Outer diameter: 22 mm
• Inner diameter: 20 mm
• Length: 63.5 mm (2.5 inches)
• Selling pack: 5 bags of 100; 500 mouthpieces per pack