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Aqua Ultraviolet Ultima II 4000, 2" Ports, A50004


This is the next generation of filters and one of the best tools for Koi ponds. The Ultima II is specifically engineered to meet the environmental demands of koi ponds. The lightweight media is designed for very high flow rates. There is a patent pending on this tubular media which has a low head loss and a very high biofilm surface. The "Y" shape on the inside and wings on the outside affords a protective surface under backwashing and our patent pending backwash system will keep the media from clogging. The same properties have been added to this media in three different sizes with random lengths and diameters to avoid stacking. One cubic foot of Ultima II biological filter media is equal to 750 square feet of surface area. Cleaning the filter is done by internal jets.

Technical Specs for Aqua Ultraviolet Ultima II 4000, 2" Ports, A50004

Inlet / Outlet : 2"
Max Pond Size: 4000 Gal
Min Flow: 2000 GPH
Max Flow: 4500 GPH
Ultima Madia: 2 Media Boxes
Recomended Pump Size: 4000 GPH @ 10'
Dimensions (D x H): 20-1/2" x 38"

Warranty Information

Unfortunately sometimes products do not work like they are supposed to.
If you recieve this item and it is defective simply Contact Aqua Ultraviolet!

We are here and ready to help you file a claim with the manufacturer if needed. Manufacturers may want the original item back and usually will not pay for any shipping costs.

Learn more about our Returns/Cancellations policy here!

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