Innovative Marine Snappgrid Eggcrate – (2) 10In X 7In + 8 Stackable Risers

Black in color to reduce the attraction of algae | Great for DIY Projects 2 – Interlocking EggCrate | DIMS: 10.25 x 7 Per Grid 15mm/0.59 Opening | 8 – 1 Stackable Risers Additional Risers Sold Separately in a 16 pack 100% Reef Safe | Create Unique Rock Structures | Raise Protein Skimmers in Sumps | Constructed from Flexible Styrene