Aqua Ultraviolet - Ultima II Filter 4000 with 1½" and 2" Valve Ultima II 4000 Filters:Ultima II Filter 4000 with 1½" Valve lightweight fiber-resin composite construction is

lightweight fiber-resin composite construction is built to last

Model Item Description

small ponds

recycled plastic which can be easily winterized by draining and leaving in place

ITEM# 02675

Aqua Ultraviolet - Ultima II Filter 4000 with 1½" and 2" Valve Ultima II 4000 Filters:Ultima II Filter 4000 with 1½" Valve lightweight fiber-resin composite construction isThis 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