The extremely compact GM-4 Anesthetic Mask holds the nose in place when attached to the holding adaptor’s nose holder. The lab animal can be held firmly at 3 points (ear/mouth/nose). The GM-3 for rats is used with the SR-5R-HT / SR-6R-HT or RA-6N while the GM-4 for mice is used with the SR-5M-HT / SR-6M-HT or MA-6N.

The GM-4 Anesthetic Mask for mice cannot be attached with the old model.

The mask attachable: Current model	The mask not attachable: Old model
	Please upgrade it to current model: MA-6N.

Specification:

Dimensions/Weight	W20 × D28 × H14mm, 10g
Inlet/outlet connecting port for anesthesia	Outer diameter ø4mm

• This mask cannot be attached with the head holder for MRI measurement (SRP-AM2) or newborn rats/mice (SRS-A).
• GM-4 cannot be attached to SG-4N. To mount GM-4 on a head holder, SGM-4 is available.