At least 16,000 microwatt seconds per square centimeter but many units actually have a much higher dosage
Fits the G23 base has one molded snap and is 4-Inch in length
9,000 hours or more of normal usage. Reference Tool for choosing the correct UV-C Replacement Bulb: Match your existing bulb to one of the bases. Match the wattage or length of your bulb. Some bulbs have a different length for the same wattage -- be sure to match both watts and length.
EPA Est.No.100578-WA-1, 5 Watt G23 base UV-C Anyray
Description
EPA Est.No.100578-WA-1, Product Description Anyray UV-C Replacement Bulbs G23 Base Anyray UV-C Replacement bulbs offer a much higher concentration of ultraviolet light than even the sun, making them highly effective as a cleaning and purifying agent for pond and aquarium pumps and clarifies. UV water purification units contain one or more germicidal ultraviolet lamps.