This powerful 36w uvc bulb zaps away your green water and is suitable for many uvc units and filters, including the following br br filters br fish mate 45000 br hozelock bioforce revolution 14000 br laguna pressure flo 20000 br pondxpert spinclean 30000...

This double ended 40w uvc bulb fits the lotus clear pond 80.

Uvc bulbs should be changed every year at the start of the season. This double ended 4w bulb fits the popular lotus green genie 4000 pond filter.

This 55w double ended uvc bulb is suitable for the following uvcs br br lotus 55w br br these bulbs do not fit evolution aqua units or tmc proclear unitsif you require ea suitable bulbs go to this page 55w ea double ended uvc note these bulbs are not...

This powerful evolution aqua uvc bulb will keep your pond water clear. Br br note this is bulb will only fit evolution aqua products.

Hozelock part number 1544a br br this 55w bulb has one terminal connector and is suitable for the following products br br hozelock vorton 55w

This 55w bulb has one terminal connector and is suitable for the following products br br filters br oase filtoclear 30000 br pondxpert spinclean 40000 br pondxpert spinclean auto 40000 br velda clear control 100 br br uvcs br oase bitron 55 br oase bitron...