Decorative for aquarium plant Valisneria Major - Made of plastic - Non-toxic material Medium - Approximate height between 18 and 20 cm WAVE a complete and continuously expanding range of products for aquariology. Products developed and manufactured by an R&D team in constant contact with the various scientific communities in the field of aquariology. Wave therefore ranges today from the simplest aquariums for the neophyte to the most advanced equipment.