Aquadyne Model 4000 Filter Aquadyne Model 4000 Filter Perfectly suited for koi ponds up to 3500 gallons. Supports up to 65 pounds of fish. 1.1 Cubic feet of bead media. Diameter 18", height 34", maximum pressure 50 psi. Average water to backwash 30 gallons. Average flow through filter 1000-2800 gph. M
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Aquadyne Model 4000 Filter

Aquadyne Model 4000 Filter
Aquadyne Model 4000 Filter

This model was previously the Classic Aquadyne 1.1B

Perfectly suited for koi ponds up to 4,000 gallons.

  • Supports up to 85 pounds of fish.
  • 1.1 Cubic feet of bead media.
  • Dimensions: 18"D x 38"H, maximum pressure 50 psi.
  • Average water to backwash 30 gallons.
  • Pump Size: 1,000 - 4,000 gph
  • Compatible with the Dyna-Max Air Assist option.
  • Includes 3 pre-assembled schedule 80 unions and pre mounted male adapters.
  • Plumbing is 1-1/2" on all ports.

Aquadyne Model 4000 Filter

Item Pond size up to Fish Load Pump Size Plumbing Ports Plumbing Accessories Head Pressure Media Volume Media Weight Avg. Backwash Dimension (DxH)
4000 Gallons
85 Lbs.
1000 to 4000 GPH
1 - 1/2"
3 ea. Self Sealing 1 1/2" Unions Included
0 to 1 Psi at 2000 GPH on a clean cycled filter
1.1 Cubic Feet
40 Lbs.
30 Gal.
18" x 38"
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