Two Pack of  11w PLS UV bulbs suitable for a range of pond UV clarifiers and sterilisers.

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.

Suitable for G23/2G7 bases

These bulbs are compatible with any filter system which has a 11w PLS fitting bulb, including Hozelock, Oase, Bitron, Fish Mate plus others!