Aquarium Bottle Cap for DIY Plants Co2 Diffuser Air Generator System

Description:
Aquarium Bottle Cap for DIY Live Plants Co2 Diffuser Air Generator System 1PC

Features:
Easy set up, Simply, Nano, Excellent disign!
Attached with high quality plastic "O" ring inside of the cap to prevent missing the Co2.
This bottle cap is very suitable to be DIY Co2 system’s accessory that the size fits common PET plastic bottle.

Package included
1 X Bottle Cap