Fluval Transformer Replacement for Fluval Chi 19L and 25L Aquarium Kit Visio is an attractive decorative water ornament that's ideal for displaying aquatic plants Fits Fluval chi 19 L and 25 L aquarium kit This product weighs 0.33-pound Measures 2-2/5-inch length by 2-1/5-inch height by 1-4/5-inch width