Ultima II 4,000 Bio-Mechanical Filter Valve Inlet/Outlet Sizing:1-1/2" Max Head Pressure: 19 feet

Max Head Pressure: 19 feet

200 GPH at zero head and is well-suited for ponds up to approximately 3

2' head: ~3

and aquariums up to approximately 500–600 gallons (with proper flow and turnover)

Ultima II 4,000 Bio-Mechanical Filter Valve Inlet/Outlet Sizing:1-1/2" Max Head Pressure: 19 feetValve Inlet Outlet Sizing: 1 1 2" or 2" To support aquatic life in bodies of water from 2,000 to 4,000 gallons. Optimal Flow Rate Pump Recommendation Min Flow Rate: 2,000 GPH Max Flow Rate: 4,500 GPH Dimensions for 1 1 2" Unit: 20 1 2 Diameter x 38 Tall Dimensions for 2" Unit: 20 1 2 Diameter x 39 3 4 Tall Ultima II 4,000 Bio Mechanical Filter To support aquatic life whether at an aquaculture facility, backyard pond or large aquarium system it is