Features: 1. Removes free floating algae, parasites and harmful micro organisms from aquarium or pond water 2. Features a unique twist flow design increases water’s exposure to ultraviolet light improving the treatment of unwanted algae and microorganisms 3. UV light bulb lasts up to 8,000 hours,changing bulbs 6-12 months for optimum cleaning performance Specifications: 1. Material: Glass 2. Model:G23
