Features:
- Plastic material, suitable for fresh water and seawater, will not affect water quality.
- Can be freely combined or cut at random size to meet the needs of most fish tanks.
- Can easily divide your fish tank into several compartments with these divider holders for breeding or separation.
- Can use as filter media base to prevent any blockage.
- Can use as aquarium cover to prevent fish jump.
- 4.5mm grid suitable for isolate small size fish.

Specifications:
- Material: Plastics
- Size: 29.5~30 L x 15 W x 0.7 H cm
- Grid: 2 types, 4.5 x 4.5 mm / 1cm x 1cm
- Color: Black, White, Clear
- Nail hole per board (only for 4.5mm Grid Board): 6 hole, 6mm diameter