The compact Boyu YT-6000 Pond Bio Filter is a highly effective complete biological box filtration system, perfect for small/medium-sized garden ponds up to 3000L volume. Supplied with a 1500L/H pond pump and connective hosing, the YT-6000 is ready to install. Each YT-6000 is fitted with a 9w UV clarifying lamp to help rid water of harmful bacteria, ensuring a crystal clear pond.