Collection: Ultima II Bio-Mechanical Filters

Superior biological and mechanical filtration for beautiful, balanced ponds. The AquaUltraviolet Ultima II series is a proven, high-performance filter line trusted by pond owners for its efficiency and ease of use. Combining powerful mechanical filtration with massive biological surface area, these filters quickly remove debris while cultivating beneficial bacteria that keep your water crystal clear and healthy — all in one compact, easy-to-maintain unit.

Designed with the signature quality of AquaUltraviolet, the Ultima II features a unique cyclonic flow design that maximizes contact time with the media, easy backwashing, and simple installation. Whether you have a small water garden or a large koi pond, the Ultima II delivers reliable, long-term performance with minimal maintenance.

Key Benefits:

- Excellent mechanical and biological filtration in one unit

- High surface area media for superior bacteria colonization

- Easy backwash and cleaning

- Cyclonic flow for maximum efficiency

- Available in multiple sizes to fit any pond

Keep your pond looking its best with the trusted performance of the Ultima II. Clear water and healthy fish made simple.