Pond Filter Systems » Aqua Ultraviolet » Aqua Ultraviolet Ultima II 4000

ULTIMA II 4000 bead filter for Koi ponds up to 4000 gallons.

No channeling * Minutes to backwash * Can handle heavy fish loads * Seeded with bacteria * Filter can be buried * Unique tubular design protects bacteria while dislodging unwanted debris.

• Features:  1.5" or 2" inlet and outlet 
• Dimensions: 39" x 21"