The Gas Flowmeter Oxygen Pressure Reducing Regulators Valve, is made of metal.
Standard production workshop, with gas cylinder pressure display, pressure relief valve and humidification bottle interface, safe and hygienic, durable.
Designed with core and a copper filter those can filter impurities and clean the gas .
Reasonable, with a strong operation, strong versatility and strong interchangeability.
The oxygen inhaler humidification bottle, has a to reduce noise.

Specification:

Material: Metal, acrylic, plastic
Size: 16x15cm/6.3x5.9inch

Package Includes:

1 x Oxygen Flowmeter 

Colour: Green.