The Biotek Marine IntelliTrap comes with 2 sliding panels. The solid panel is for trapping bristle worms and the end panel with the opening is designed to catch shrimp.
Features:
3D Printed with Aquarium Safe Plastic
Durable construction
Vented sides that allow food smells to escape
8 worm holes with upright tubes that make it extremely dificult for worms to escape
2 End Panels Included (Shrimp Panel and Bristle Worm Panel with opening)