220-240V Aquarium Fish Tank Koi Pond Dual-lamp Submersible UV Sterilizer Light  7w,9w,11w,  US plug only(2 flat plug)
 

5W,17cm
7W, 24cm
9W, 31cm
11W, 31cm

dia 2cm

1.Innovative dual-tube design, internal submersible UV sterilizer light unit.
2.Use UVC quartz glass tube, high transmission of ultraviolet ray.
3.The UV lamp produces strong ultraviolet rays, which has the high effective of sterilization.
4.Life 8000 hours.
5.Easy to use in your filtration system.
6.Voltage:220V-240V / 50Hz-60Hz
7.Suitable for Koi ponds, large fish tanks, swimming pool sterilization using.