Koi Flow 30 Specifications Full kit with air stones, air line and a spare diaphragm. Includes 6 Air Stones (50mm), 50m of standard 4mm Air line and a Spare Diaphragm Set. Key Features. Low power consumption.
Got it out the box and tried it on dry land and thought it’s not that powerful but once the tubes went into the water the bubbles it produced were fantastic and I have to say the Koi and goldfish love it! Should of done this years ago!!!