Advantages:
Very good pumps. Easy to maintain. Very quiet. Low energy they use.
Durable, Easy to Use, Good Value, Pet Loves It, High Quality
Using this pump for multiple applications. Works great for a salt mixing pump. Has more power than its size suggests.
It is very quiet. The ability to change the flow rate with all quiet one pumps.
Can use this pump in a 10 hospital tank, but even with the flow rate turned all the way down it was still too powerful. 

Condition:
New: A brand-new, unused, unopened, undamaged item (including printed items). See the seller's listing for full details
Type: Submersible Water Pump
Instruction: High Quality, US Seller, 1 Year Warranty
Description:This submersible pump is designed for reliability and ultra-quiet operation to provide years of service.
 The small profile size makes the pump easy to hide or disguise.  This submersible water pump is great for aquarium, fountains, spout and hydroponic systems.
Features: Suction cup mounting feet for either vertical or horizontal mounting
Contains no seals or messy oils
Good for both fresh water and salt water
 Voltage Range: BLDC5 V ~24V