The Hakko HK-40L Linear air pump represents a top of the line Liner Air Compressor with 3 year warranty.

The Hakko Air Pump 40 will deliver a miximum of 70 Liters Per Minute.

40 watts used!!

Suitable for koi ponds up to 4,000 gallons.

It is a small unit with surprisingly high output. Ideal for water depths between 2 feet to 10 feet deep. Shut off depth is 14 feet deep. The Hakko air pumps are built to last with a very durable body and mechanics meaning years and years of everlasting quality airflow.

Very low noise 32/38 dB at 1 meter, low power consumption, Silent operation, Completely oil free, Overload protection with Auto off/on switch for overheat situations. Low power consumption. UL and CE listed for outdoor use.

The outlet fitting is approx 5/8″ O.D.

No oil needed for lubrication making the Hakko easy to maintain.