aquarium bottle cap for live plants CO2 diffuser air generator system DIY toosk

Description

Features:
100% Brand new and high quality
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 resistibility of rub, so it can be used for a long time.
As for the another advantage of specific, we attached the great quality plastic O ring inside of the cap to prevent missing the Co2.
Easy set up, excellent design.
It's worth to try and using it.
Material: ABS
Color: Shown as the pictures
Size:
Inside diameter: Approx 3cm/1.18"
Package includes: 1pc
Note:
1.Please allow 0.5-1.0 inch differences due to manual measurement, thanks.
2.Please understand because of the lig
ht irradiation or computer display difference, the item`s color might be slightly different from the pictures.