The Exo Terra Flextray can be used to hold substrate and/or contain liquids inside the Flexarium (available in vertical and horizontal models).
| PT-2572 | Flextray C for use with Flexarium 38 (vertical) |
| PT-2573 | Flextray D for use with Flexarium 38 (horizontal) and Flexarium 65 & 100 (vertical) |
| PT-2574 | Flextray E for use with Flexarium 65 (horizontal) and Flexarium 175 & 260 (vertical) |
| PT-2575 | Flextray F for use with Flexarium 100 (horizontal) |
