Regrettably due to unprecedented demand we have taken the difficult decision to suspend new orders for some products for a short period of time until we have caught up on our existing orders.
If your UV-C Filter has been continuously used during a pond season, its light output will have decreased. It is advisable then to replace the light. Velda has a wide assortment of lights, ranging from 5 to 55 Watt. The yield of these lights is 30 % more and their lifetime is 30 % longer than that of common models.