Cannula Guide: Connection to a Ventilator

Animal's Weight Range	Animal	Size Cannula	Intubation Cannula with Y-Adapter	Tracheal Cannula with Y-Adapter
20 - 30 g	Mouse	1.0 mm OD	73-2737*	73-2731*
30 - 40 g	Mouse	1.1 mm OD	73-2843*
40 - 50 g	Mouse	1.2 mm OD	73-2844*	73-2830*
75 - 125 g	Small Rat	1.5 mm OD	73-4115+	73-4112+
125 - 200 g	Small Rat	1.8 mm OD	73-4116+	73-4113+
200 - 350 g	Rat	2.0 mm OD	73-4117+	73-4114+
350 - 450 g	Rat	2.3 mm OD	73-2739#	73-2732#
450 - 600 g	Rat/Guinea Pig	2.5 mm OD	73-2740#	73-2733#
600 - 750 g	Rat/Guinea Pig	3.0 mm OD	73-2734#	73-2741#
750 - 1 kg	Rat/Guinea Pig	3.5 mm OD		73-2735**

*Micro Y-adapter for tubing IDs 1.5 - 2.2 mm (1/16" ID tubing)

+Miniature Y-adapter for tubing IDs 2.5 - 3.4 mm (1/8" ID tubing)

#Medium Y-adapter for tubing IDs 6 - 7.4 mm (1/4" ID tubing)

**Large Y-adapter for tubing IDs 7 - 10 mm (5/16" ID tubing)

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