Besides the usual wool and activated carbon, these handy media blocks also include Zeolite which removes ammonia build ups from uneaten food & fish waste, thus keeping the water clearer for longer.
- For Large Blue Planet Aquariums from 40-70L, including the  & 70L
- A small handle is added for ease of change so say goodbye to touching dirty filter media.
- Comes in handy 3 Pack
EG745