GEX Bacteria Power Mat SM 4 sheets + 2 bonus sheets Filter

This is a replacement filter with a two-layer structure of bacteria breeding media and wool mat, providing high filtration capacity.

- Brand: GEX
- Product Name: Bacteria Power Mat
- Contents: 6 pieces (4 unopened + 2 opened)
- Replacement Interval: Once every 1-2 months
- Structure: Bacteria breeding media, wool mat

Thank you for looking.