Product Features:

Precision Marine RFCa-6D Reverse Flow Calcium Reactor

• Compact Size
• Clear acrylic bubble counter
• High-Quality threaded check-valve
• Silent Eheim 1250-31 water pump Included  w/Two-Year warranty
• Open access to reaction chamber
• Micro-adjustable needle valve
• All Quick-Release fittings throughout
• CO2 mixes with water pump intake
• No Cheesy Flex hoses
• Quality fittings used throughout.......
• Overall Height:24”
• Recommended Capacity:500 Gallons
• Reaction Tube Diameter :6”
• Footprint:15.5”x11” 

Comes with 1 Year Limited warranty