Synchronous electronic 12 volt pumps are designed for applications where submersible line voltage pumps are prohibited.
OASE AquaMax Eco Premium 12 volt is an energy efficient pump  are perfect for use inline for recreational ponds or in  submersible applications.
Environmental Function Control (EFC) automatically shuts off the  pump if dry run or clogged to prevent pump damage.
Pump can be used in-line by removing large-surface, wrap-around  pre-filter and using mounting bracket to secure.
Pump features a grounding plate for unparalleled safety.

AquaMax 3000 12 V Eco Premium Pump Features
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•  Adjustable secondary inlet for additional intake from remote pond zone or for an in-pond skimmer
•  New pump technology offers energy savings
•  Patented frost protection down to to -22 C (-8 F)
•  Can handle solids up to 3/8"
•  Switches off automatically if run dry to protect the pump from damage
•  Engineered and manufactured in Germany to ensure quality and durability
•  The optional satellite filter can be used to collect water and debris from a second location of the pond - also reduces the likelihood of algae growth in otherwise stagnant areas
•  Alternatively, a pond skimmer can be connected to the second intake in order to collect decomposing leaves and dust from the water surface
•  Wrap-around filter housing, no foam pre-filter to clog up
•  Oil-free - eliminates risk of contamination of aquatic life
•  Includes all necessary adapters
•  Optional satellite filter or optional in pond skimmer can be connected to the second pump inlet

Optional Satellite Filter More info Water is drawn through both the pump and the satellite filter - the flow rate from the satellite filter can be regulated

Optional AquaSkim In-Pond Skimmer More details Water is drawn through both the pump and the skimmer - the flow rate from the skimmer can be regulated