Improve the flow in your Fluval Evo 13.5 and Fluval Spec 16 aquarium.  The plug blocks off the hole in chamber two, improving the track of water forcing it into chamber one, and keeping the rear chambers more clean.  The plug works with the Chamber One and Chamber Two Media Basket.

• Plug blocks off the hole in chamber two, improving flow and keeping rear chambers more clean
• Includes 1 - Plug
• 3D printed from aquarium safe TPU rubber like plastic
• Install Plug inside the display.  If access is limited install inside chamber two
• Fits Fluval Evo 13.5
• Fits Fluval Evo 52L
• Fits Fluval Spec 16
• Fits Fluval Spec 60L

Fits hole size: 15mm x 4mm

PRO TIP: If needed, add a drop of super glue gel to the plug before installing.  This will prevent livestock from removing plug during operation.  Super glue is safe and cures underwater.