HIGH-EFFICIENCY WATER FILTER CUBE for horse troughs and aquariums. This purifier cube uses activated carbon technology to remove impurities from drinking water effectively, helping deliver cleaner water for your animals. MULTIFUNCTIONAL APPLICATIONS: Perfectly suited for both horse troughs and aquariums, it ensures that your pets always have access to fresh and clean water. USAGE RECOMMENDATIONS: For aquariums, use 1 cube for tanks up to 60 cm. Scale up to 4 cubes for larger setups to customize your filtration system. EASY TO FLUSH AND RESTORE: When purification efficiency declines, flush the cube without removing the activated carbon from its housing. This simple maintenance helps maintain performance and longevity. KEY ATTRIBUTES AND BENEFITS: - Function: activated carbon filtration for impurity removal in drinking water - Compatibility: suitable for horse troughs and aquariums - Size and configuration: cube-based design; filtration capacity scales with number of cubes (up to 4) - Material: activated carbon within a durable housing - Performance: high-efficiency purification with easy maintenance USE SCENARIOS: - Stable horse trough: maintains cleaner drinking water between cleanings - Small home aquarium (up to 60 cm): one cube improves water quality - Large aquarium or multiple tanks: up to four cubes to scale filtration as needed