Aqua Terra Lighting 11W Pond Filter Bulb 2 Pack UVC Ultra Violet Bulbs for Filters & Clarifiers Germicidal G23 2pin PLS lamp Base Replacing UV in Garden

11W UV-C PLS Bulb with G23 Base – 253.7nm Light for Sterilisation High-efficiency 11w UV-C germicidal bulb designed for use in pond filters and aquarium filtration systems, producing 253.7nm ultraviolet light that neutralizes algae, bacteria, and pathogens. Fits Pond UV Clarifiers – 21.4cm Total Lamp Length Measures 21.4cm in length, making it ideal for most pond UV clarifiers and water sterilisation units. Ensures crystal-clear water for koi ponds, garden ponds, and ornamental water features. Easy-Install G23 2-Pin Base – Compatible with Top Brands Features a universal G23 2-pin base for fast and secure replacement. Fully compatible with systems from Hozelock, Oase, Blagdon, Fish Mate, and more—no wiring or modification required. Not for General Lighting – UVC Output is Hazardous to Eyes & Skin Produces UV-C light for enclosed pond filtration systems only. Must not be used for regular room lighting. Always install inside sealed UV units to avoid direct exposure to humans or animals. Multiple Wattage Options Available – 30-Day Satisfaction Guarantee Available in 5w, 7w, 9w, and 11w versions to match your existing system. Backed by a 30-day no-quibble refund policy—buy with confidence and ensure your pond remains clean and safe., Manufacturer: Lupol Limited