Pretty good no noise good flow and you can move it in all the direction you need and the magnet is good too mostly ok except it is way bigger than i expected compare to those that specify for the same tank size and the blue color

Sunsun aquarium equipment is introduced and the actual item power error if your product is indeed as you said introduced frequency you can raise the price the problem is never reached the standard of goods is introduced in the meet workendfor about 20 mins good little circulater for the cost for 60 gallon tanks or smaller