The UV light causes algae (green water) to clump together (flocculate) so that they can be sieved out of the water by the filter. UV Bulb included with the unit (1 x 7w). Suitable for Pond Sizes up to 2000 Litres.
eBay
Oase Filtral All In One Pump Filter UVC - 4 models. For extra peace of mind the Filtral includes a simple UV indicator built in so you will know instantly when the UV needs replacing. Oase Filtral Aeration Kit - 70364.
eBay
AllPondSolutions Pressurised Koi Fish Pond Filter with UV Steriliser PFC-3000. Clear Water For Ponds - Keep pond water clean with this pressurised pond UV filter! It's more compact, easier to position, and can handle higher water flows than conventional gravity pond filters.
eBay
Hozelock Ecopower 10,000 Pond Filter. Water enters the Hozelock Ecopower filter through a stepped hose tail (20 / 25 / 32 / 40mm), and from there it passes into the UV chamber. The UV chamber features an integrated "turbulator" to ensure that the water is exposed correctly to the UV light produced by the bulb.
eBay
Suitable for Pond Filters and UV Units. Key Features. Pisces Black Corrugated Hose. Easy to Fit. 55 watt, 895mm (910mm including Pins). 30 watt, 895mm (910mm including Pins). 25 watt, 435mm (450mm including Pins).
eBay
These UV bulbs will fit all models in the AllPondSolutions EF+ range of External Filtration and UV Steriliser systems. Also compatible with most other quality manufacturer's filter system's that use PLS and PLL bulbs.
eBay
The AllPondSolutions All-in-One System with a 2000L/H pump combines everything required to to run a healthy algae-free small-sized pond. Designed as a single smart unit with a single power cable it allows for a much easier installation compared to a standard small-pond set up.
eBay
These bulbs are compatible with any filter system which has a 13w PLS fitting bulb, including Hozelock, Oase, Bitron, Fish Mate plus others!
eBay