Quick-Connect-to-Threaded Fittings
Product Details

In terms of use, it will not rust, leak, resist oxidation in a humid environment, and the hard shell is economical and .
Superb hardware, superb craftsmanship.
Various styles and complete models are suitable for many occasions and have a wide range of uses!

Type: Check valve
Material: plastic + nickel plated copper
External thread: 1/8" 1/4" 3/8" 1/2"
Including packaging: 1

One-way ventilation
SPC
Ventilation from the cannula port to the screw port
No ventilation from threaded port to intubation port
VPC
No ventilation from the cannula port to the screw port
Ventilation from threaded port to cannula port