Features: brand new and high quality Clear Planaria Trap: The planarian trap can is made of high-quality acrylic, high brightness, transparent design is easy to observe, convenient, and practical. Easy to Clean: Simply take out the trap the next day and rinse, and then repeat the steps. Easy to Use: Aquarium leeches trap, easy to use, and catch planaria like crazy. Just put in bait such as mysis, daphnia, dead fish, shrimp, meat, etc, fill the trap with water, then push the trap into the substrate with the holes facing down. The planaria are moving toward the traps within minutes. No Planaria: Leeches trap for aquarium, excellent planaria trap if with appropriate bait. Comes with 8 holes design, which is able to trap planaria efficiently to reduce the planaria population in a fish for tank. Planaria trap leeches catcher helps to remove planaria, No leeches, No snails. Warm Notice: Works well for catching planaria, we recommend you empty the trap every few hours. Switch off lighting during planaria trapping. Specifications: Material: Acrylic Color: Transparent Size: Approx.32x30mm/1.26x1.18in Weight (Approx.): 10g Package Includes: 1 Piece Planaria Trap Aquarium note: 1.Please allow 0-1cm 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!