JBL LimCollect II Chemical-free Snail Trap for Aquariums.

Key Features:
• Catches unwanted snails, shrimps or crabs in the aquarium: chemical-free snail trap with variable height limit of the inlet.
• Easy to use: fill the snail trap with food, insert rods to the desired height, place the snail trap in the aquarium overnight.
• Two small rods for the variable height limit: to prevent fish from entering unintentionally. Also suitable for catching shrimps or crabs.
• Water flow: no oxygen problems for fish caught unintentionally.+