Small Submersible (Aquarium, Fountain, Ice Maker) Pumps
These pumps are compact and designed for use in aquariums, small fountains, or specific appliances like commercial ice makers. 
 
Max Flow Rate: According to tailybuddy.com, it has a maximum flow of 600 L/H (liters per hour). Other sources suggest this is specific to a 120V model for ice makers.
Power: 8-9 Watts.
Max Lift Height: 0.65-0.8 meters.
Features: Multi-functional (water pumping, oxygen spraying, filtration), ultra-silent operation, and easy installation.
EHEIM universal 1200
Max Flow Rate: Eheim states it can pump up to 1200 liters per hour.
Power: 28 Watts.
Max Lift Height: Approximately 2 meters.
Features: Can be used inside or outside of water (amphibious), designed for exceptionally long life, and suitable for both freshwater and marine environments.
Jebao 1200L/hr Multi Functional Mini Submersible Pump (WP Series)
Max Flow Rate: 1200 Liters Per Hour.
Power: Not explicitly listed, but noted as having low running costs.
Max Lift Height: 0.95 meters.
Features: Compact size, flexible flow control, ultra-quiet design, and a long 10-meter power cable for flexible placement. 
High-Power Garden/Booster Pumps (1200W) 
These pumps are significantly more powerful and are designed for applications such as garden irrigation, boosting household water pressure, or draining large volumes of water. 
VEATON 1200W Portable Garden Booster Jet Pump
Max Flow Rate: 3,500 liters per hour.
Power: 1200 Watts.
Max Lift Height: Up to 46 meters.
Features: Stainless steel head for corrosion resistance, built-in thermal protection, and suitable for clean water applications.
BOMGIE GJF-1200SE Smart Control Booster Jet Pump
Max Flow Rate: 1200 GPH (gallons per hour, approx. 4542 L/H).
Power: 1.2 HP motor.
Max Lift Height: 147.6 feet (approx. 45 meters).