The GKM9W Internal UV System with Power Head is for aquariums up to 50 gallons. The GKM9W allows water flow in direct contact with the UV lamp, making it extremely efficient. Keep your aquarium crystal clear & reduce water changes.
It includes the pump and takes only 5 minutes to install (no tools required). The UV lamp and pump are submersed completely in the aquarium and are attached to the inside of the aquarium with the included suction cups.
4″ x 4″ x 12″ long. LED signals need for a UV Bulb replacement, easy change without tools. UV bulbs lasts for 6 to 9 months, assuming constant use. Sealed UV bulb design – avoid UV housing deteriorate, fresh with every bulb change.

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IMMERSE YOURSELF IN THE PEACE & CALM OF THE OCEAN: Watch jellyfish models swim quietly, creating a beautiful ambiance. Four Pcs Lifelike jellyfish movements are so realistic you will question if they are real. The overall effect with changing lights is simply mesmerizing fascinating relaxing & hypnotic. Ideal for your home, office, children’s room, doctor’s office, rehab institutes or day care centers.
THE ULTIMATE SENSORY STIMULATION JELLYFISH LAMP : The quiet movement of realistic life like Jellyfish in the tank with fascinating color changing lights create a beautiful Tranquil, peaceful & soothing deep-sea ambiance which could help reduce stress & anxiety. Great for children, adults & seniors with special needs, including dementia ADHD & autism. May helps improve mood & well-being.