DuraBulb Twin Pack Replacement 13W G23 UV (Ultra Violet) Bulb Lamp for Pond UVC Filters & Clarifiers

• Twin Pack of G23 13W DuraBulb Replacment Ultra Violet UVC bulbs for 13 Watt pond filters and clarifiers
• 13W G23 UV PLS Tubes (This is the Single Lug version) - 18cm Length
• 253.7nm UV output for maximum sterilisation
• 12 Month Warranty - We recommend changing after 12 months to maintain maximum UV output
• Suitable for Fish Pond & Aquarium Filters

Twin Pack of high quality DuraBulb 13W G23 (Single Lug) UVC bulbs for 13 Watt UV Pond Filters and other sterilisation applications Length: 18cm Base: G23 2-pin 12 month warranty with all DuraBulb bulbs It is recommended to change the bulbs every 12 months to maintain maximum UV output This is the G23 fitting (1 lug on each side) Compatible with the Hozelock Easyclear 9000, Blagdon Pressure Filter 4000, 6000 & 10000 and many other 13W UVC Pond Filters with a G23 fitting