Aqua Ultraviolet - Ultima II Filter 1000 with 1½" and 2" Valve Ultima II 1000 Filters:Ultima II Filter 1000 with 2" Valve 36 Watt UV Lamp (Item:

36 Watt UV Lamp (Item: 31PS333)

The pump is completely epoxy-encased so there’s never a fear that it will contaminate the water with harmful oils or chemicals

They also feature high-quality double silicone carbide mechanical seals (impeller side) for increased performance and additional abrasive resistance

Firestone EPDM Repair Kit:

Elevated corner pump access prevents gravel from falling into the basin

Aqua Ultraviolet - Ultima II Filter 1000 with 1½" and 2" Valve Ultima II 1000 Filters:Ultima II Filter 1000 with 2" Valve 36 Watt UV Lamp (Item: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 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 back washing and our patent