CO2 Drop-Checker with Suction Cup Glass CO2 Indicator for Planted Aquarium
Features: glass drop checker.
suction cups included.
glass drop check is about 6cm/2.36" in height.
Used to test and monitor the concentration of the aquarium water fish for
Transparent.

Specifications: Material: Glass
Size: app. 6cm/2.36" in height
Color: Transparent

Package Includes: 1 x glass drop checker

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!