18w UV Bulbs PLL Fitting - Twin Pack

For optimum effectiveness, it is recommended to change the UV bulbs every 6-12 months. Regular replacement will keep your pond water clear and free from algae build up.

These bulbs are compatible with any filter system which has a 18w PLL fitting bulb, including Hozelock, Oase, Bitron, Fish Mate plus others!

Detailed Bulb Specification:

Fitting Type: PLL (4 pins at one end)

Wattage: 18w

Bulb Length: 217mm