complete air comes with airline chrome manifold and airstones Max output 70lpm Max output 1m 52lpm Max operating depth 3.2m power usage 34watt Noise level <46db As we all know, oxygen is vital to all aquatic inhabitants whether they are Koi, goldfish, tropical / marine fish or bacteria. The EA Airpump range provides high performance diaphragm air pumps for all fishkeepers. The range was purposely developed for fishkeepers to deliver that essential element into their ponds - specifically air. EA Airpumps have been tested and proven to provide the highest output at any given depth, to be economical to run and to be totally reliable. Well engineered, robust and durable, every unit has thermal protection fitted as standard.