Hakko Air Pump 80L-2.8 CFM the hakko hk-80l linear air pump represents a top of the line linear air compressor with 3-year warranty.  the hakko air pump 80 will deliver a maximum of 100 liters per minute.  85 watts used !! suitable for ponds up to 8, 000 gallons.  this is a cast iron body style. It is a small unit with a surprisingly high output. Ideal for water depths between 2 feet to 13 feet deep. Shut off depth is 19 feet deep. The hakko air pumps are built to last with a very durable bo