Product Review

Easy to start siphon and it makes water changes and cleaning a breeze! This gravel cleaner cleans the fish waste out of the tank without sucking up a ton of gravel.
It moves water quickly without help.

How to use:
Place the inlet of the gravel cleaner under water.
Put the outlet of gravel cleaner into the bucket.
Turn on flow control value.
Re-press the rubber ball to siphoning water from tank into bucket.
Move the water inlet to what needed to cleaned.
Different flow model by adjust the flow control value.

Specifications:
Drain Hose(Long) Length: 140cm/55.12 inches
Rigid Pipe of Emission Length: 20cm/7.87 inches
Operation Bulb Length: 22cm/8.66 inches
Longer Nozzle Length: 18cm/7.08 inches
Drain Hose(Short) Length: 45cm/17.7 inches
Control Valve Length: 8cm/3.15 inches
This is a really excellent product and suggest it for anyone with an aquarium.