Prohibit use in enclosed spaces and ventilate promptly after use. Type: Fish Tank UV Sterilization Lamp. Material: plastic and glass. Made of premium plastic and glass, durable and sturdy. 5W is suitable for fish tanks below 60cm, 7W is suitable for fish tanks below 80cm, 9W is suitable for fish tanks below 100cm, 11W is suitable for fish tanks below 120cm, and 13W is suitable for fish tanks below 150cm.
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