Ultima II Filters

Unique tubular design of Ultima biomedia protects benefical bacteria while dislodging unwanted debris.
Only takes minutes to backwash and does not require a separate air pump to backwash.
Lightweight media for very high flow rates without channeling.
Compact filter can be buried up to the bottom of the valve unit.
Model...Max Pond Vol...Flow Rate...In/Outlet
1000..............1000...............1400............1 1/2"
2000..............2000...............2400............1 1/2"
4000..............4000...............4200..............2"
6000..............6000...............5000..............2"
10000............10000.............6500...............2"
20000............20000.............7500...............2"

In order to maximize the filters performance select a pump which has a flow rate at 10' head that
is close to the listed maximum flow rate for each model.