Filter Blocks for aquariums
St-rocks were specially designed for decorating the filters of Juwel aquariums.- St 47 is for the filter Standart (e.g. for the aquarium Rio-240)
- St 54 is also for the filter Standart, but for higher aquariums (e.g. Vision 260)
- St 55 is for filters Jumbo (e.g. for the aquariums Rio 300, Rio 400, Trigon 350, Vision 450)
