AA GKM3W Clip On UV,Black,1 Count (Pack of 1)

GKM3W Clip-On UV - an affordable & real UV for small aquariums. Keep Your Aquarium Crystal Clear. Reduce water changes. Just clip on to your hang on filter. Converts most filters into a UV filter. Perfect for aquariums up to 20Ga. Lamp contains Mercury. Manage in Accordance with State Disposal Laws.

• GKM3W Clip-On UV. For aquariums up to 20 gallons.
• The GKM3W Clip On UV allows water flow in direct contact with the UV lamp, making it extremely efficient. Keep your aquarium crystal clear & reduce water changes.
• Simply Clip On to your filter. Converts most filters into a UV Filter. Leave running 24/7 for the first 2 weeks. Works best with hang-on filters that have a flat or near flat water outlet 2 inches (5.5cm) wide or wider. May not work well with a filter with a curved water outlet.
• LED signals need for replacement. UV bulbs lasts for 6 to 9 months, assuming constant use. Sealed UV bulb design
• Once your water is clear for a full week, Use your Clip On UV System as need to maintain perfect clarity. UL listed. EPA Est # 093568. Comes with UL plug, only suitable for US market.