DuraBulb 2 x 8W Fly Killer Bulbs - Replacement Bulbs for 8W /16W Insect Zappers/Fly Killers - 12 Inch T5 UV Tubes 10W bulbs for fly killers This is the 9w replacement

This is the 9w replacement UV Lamp for the Hozelock Filter and UVC range

Easy To Change 4W UV Bulb Which Simply Twists Into Place

Oase Filtral 6000 / 9000 and many other 9W UVC Pond Filters

Base 4-Pin 2G7

DuraBulb 2 x 8W Fly Killer Bulbs - Replacement Bulbs for 8W /16W Insect Zappers/Fly Killers - 12 Inch T5 UV Tubes 10W bulbs for fly killers This is the 9w replacementLong Lasting 2 X 8W DuraBulb T5 UV Bulbs For 8W 16W Fly Killers Suitable For Most 6W 12W Insect Killers Bug Zappers Including EazyZap, Flymatic, Vermatic, Prozap, Xterminate, PlusZap & Many More Peak UV Wavelength Of 368nm ~ Optimal For Insect Fly Killers Length 300mm (Approx 12 Inches) Diameter 16mm Premium Quality DuraBulb UV Bulbs with a 12 Month Warranty