The SPECK BADU Koi Sand Filter 2 is built for medium-sized koi ponds and aquatic systems, offering enhanced filtration with a 20″ polyethylene tank and 80 kg sand capacity. Designed with fish safety in mind, it features UV-resistant, non-toxic materials, a reliable side-mounted multiport valve, and ABS internals for consistent performance. Ideal for ensuring crystal-clear water in environments where aquatic life depends on clean, healthy conditions.

• Key Features

• 20″ filter diameter with 0.21 m² surface area
• Seamless, UV-resistant polyethylene tank
• ABS high-flow internal components
• 80 kg sand capacity (2 × 40 kg bags)
• Side-mounted multiport valve
• Automatic internal air relief system
• 18-month warranty on tank
• 60-month warranty on valve and internal parts

✓ Benefits

✓ Safe for koi and sensitive aquatic life
✓ Effective filtration for mid-sized ponds
✓ Simple operation and easy maintenance
✓ Long-lasting, weather-resistant construction
✓ Supports healthy pond ecosystems and water clarity

Technical Specifications

• Filter Size: 20″ (approx. 510 mm)

• Filter Area: 0.21 m²

• Sand Capacity: 80 kg

• Maximum Flow Rate: 9.5 m³/h at 80 kPa

• Operating Pressure: Up to 2.5 bar

• Weight (Empty): 13.46 kg

• Recommended Pond Size: Up to 9,500 L

• Turnover Capacity:

  • 4-hour: ±38,000 L

  • 6-hour: ±57,000 L

  • 8-hour: ±76,000 L

What You Get

1 × SPECK BADU Koi Sand Filter 2
Includes multiport valve and internal ABS components