Check the listing for details. AA GKM3W Mini Internal UV,Black,AAUV3W-B. Condition: New. Listed at 63.28 USD. Brand New AA GKM3W Mini Internal UV,Black,AAUV3W-B Manufacturer model: AAUV3W-B GKM3W mini Internal UV with Power Head. For aquariums up to 20 gallons.The GKM3W allows water flow in direct contact with the UV lamp, making it extremely efficient. Keep your aquarium crystal clear & reduce water changes.No tools required. Simply attached to the inside of the aquarium with the included suction cups. Submersible design for the sealed UV Bulb and pump.2.5" x 2.5" x 7.5" 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.Pump Flow Rate: 50 GPH. UL listed. EPA Est # 093568.Included components: Water pump, Sealed UV bulb. Comes with UL plug, only suitable for US market. Description GKM3W mini Internal UV with Power Head. Keep Your Aquarium Crystal Clear. Reduce water changes. Installation without any tools. Perfect for aquariums for up to 20Ga. Spare bulb and replacement sponge available. Lamp contains Mercury. Manage in Accordance with State Disposal Laws. Shipping and Handling Please allow 5-7 business days for the package to arrive, regardless of buyer location within the US. We will provide an online tracking number to you once the item has been shipped. It may take a few business days for our automated system to process the tracking number onto eBay. However, this will not affect the shipping times. Return Policy All our products are brand new and sealed. All items qualify for returns within 30 days of receipt. Feedback We take our reputation seriously. If you have any questions or concerns, please contact us and we will respond back to your message within 24 hours.