LANDUM Pro Aquarium Bottle Cap for Live Plant CO2 Diffuser Air Generator System DIY Tool;

100% brand new and high quality
Features:
Bottle caps for DIY Co2 system
CO2 system is designed for low cost planted tank use
Easily set up/low cost/excellent quality
This bottle cap is very well suitable to be DIY Co2 system's accessory that the size fits common PET plastic bottle.
The composition is used as special high quality plastic for issuing great responsibility of rub, so it can be used for a long time.
Easy set up, excellent design.
It's worth to try and using it.

Specification:
Material: ABS
Pattern: A, B (Same function, we will send randomly)
Diameter: app.3cm/1.18"
Height: app.3cm/1.18"
Color: Gray
Quantity: 1 Pc
Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!

Package includes:
1 x Bottle Cap (Without retail package)