Kockney Koi Yamitsu 55 Watt PLL UV Replacement Light Bulb/Tube/Lamp

Single end fitment - 4 pins at one end 55 watt twin tube PLL style bulb Approx 541mm long(not including pins) Quality quartz glass uv tube  

Kockney Koi Yamitsu UVC 55 Watt Fish Pond UV Bulb

Fish pond UVC bulb 55 watt 909mm long (36"inch) T8 26mm diameter tube Double ended tube with 2 pins at each end