Description
HAILEA 4 OUTLET AIR PUMP is the versatile multi-site air pump that allows a single unit to provide dissolved oxygen aeration to up to four independent growing locations simultaneously — the practical choice for growers running multiple DWC buckets, a large propagation system, and a mixing reservoir from a single pump without the wiring and footprint of four separate units. We have been supplying Hailea air pumps to UK hydroponics growers since 2017 for their reliable, consistent performance and good value across the full range.
Four-Site Aeration From One Pump
The Hailea 4 Outlet Air Pump distributes airflow across four independent outlets, each of which can supply an air stone in a separate reservoir or bucket. In a four-bucket RDWC setup, one Hailea 4 outlet pump can service all four growing sites simultaneously, keeping dissolved oxygen levels adequate across the full system from a single unit plugged into a single socket. For propagation applications, four outlets supply four separate propagation trays or cloning units from one pump — ideal for growers maintaining a commercial propagation room where air pump proliferation becomes a management problem. The total output is sized to deliver adequate flow to each of the four outlets at the same time, though for large air stones in large reservoirs, additional pumps or a higher-output four-outlet unit may be needed.
Installation and Flow Balance
Connect 4mm airline from each outlet to the corresponding air stone. If individual outlets need different flow rates, use airline clamps on lower-demand lines to balance flow between sites. Position the pump above the waterline of all reservoirs it supplies. Service the diaphragm annually. The Hailea 4 Outlet is notably quieter than four separate pumps — vibration from a single unit on a padded surface generates less combined noise than multiple individual units on hard surfaces.
Pair the Hailea 4 Outlet Air Pump with four quality air stones, 4mm airline, and a multi-outlet air manifold for a clean, organised aeration system across any multi-site DWC or propagation growing setup.








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