2 Pack 24 Watts UV Ultraviolet Light Bulb 12.5" 2G11 Base, Replacement UV Bulb for Pond and Aquarium, uv air Purifier UV Bulb you can place this UV

you can place this UV light in the pond filter or pond filter box

【Observation Window】A safe way to check if the bulb is working and to avoid being exposed to UVC light

as shown on the picture

providing more oxygen for your aquarium

If there are unmovable fish tanks or plants/painting in the room

2 Pack 24 Watts UV Ultraviolet Light Bulb 12.5" 2G11 Base, Replacement UV Bulb for Pond and Aquarium, uv air Purifier UV Bulb you can place this UVBrand : COOSPIDER Special Feature : Long Lasting Wattage : 24 watts Bulb Base : G23 Specific Uses For Product : Pond Clarifier FeaturesWattage: 24W; Length: 12. 5"; Base: 2G11; UV peak253. 7nm ; EPA Est. No. 96998 CHN 1 Long LastingLong Lasting UV C Bulb, more than 10000 hours, can be replaced every 10 to 12 months depending on use and environmental factors. CompatibleFor Use in Ultraviolet for Aquarium and Pond, uv air purifier. NoteBefore placing an