Features:

-easy to use and clean                                                                       

-containing mark clear to read,

-no breakage in the tube.

-Bellows and bite can be removed,

-inhale

-2500ml or 4000ml available

Specifications:

1.Minimum vital capacity measurement:0cc

2.Maximum vital capacity measurement value:4000cc

3.Dimension:169x169x72 mm

4.Weight:0.135Kg it is applicable for use in hospital, clinic and family.

Packing:

-Giftbox+ Plastic bag protect+ Instruction manual

-protect + Instruction manual

-Carton size: 40.5 X 36 X 68.4CM  ( 30pcs/ carton )

-Gross Weight: 5.0KG

-1 X 20″FT Container : 8400pcs