hygger 039 Siphon Vacuum Cleaner Feature Functions

hygger 039 siphon vacuum cleaner feature functions:
1. Fixture clamp
2. Water change
3. Sand wash
4. Dirt suction

Steps to use the siphon vacuum wash sand in the fish tank:
1. Insert the tube into the sand and suck
2. Slightly lift the cleaner to move the sand horizontally to wash
3. Lift the height of the tube again to return the washed sand