Fluval Flex Feeding Hole Cover
thingiverse
This will plug the feeding hole in a Fluval Flex to prevent things falling in (or out). It has a nice chunky handle to make using very easy.
Download Model from thingiverse
With this file you will be able to print Fluval Flex Feeding Hole Cover with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Fluval Flex Feeding Hole Cover.