Aquarium straw cleaning manure suction device fish tank straw cleaning tool manual mini straw filter pump cleaning tool

Maximum water absorption is 30ML
The scale is divided into: 10ML, 15ML, 20ML, 30ML four levels.
Length 28CM

Features:
● Remove the rubbish dirt and residual feed deposited on the bottom of the mini fish tank.
● Add liquid additives to the fish tank and use it as a measuring tool.