Seio pumps

[sagi]

I was looking into these magnetic mount pumps. I have used the original Seio's since they came out and have been pleased, but would like to know if anyone has experience with these and if there are any problems?
Thanks

Pump

 

[Kreeger1]

there made by Taam so..............

 

[Gary Briggs]

I found the 320's magnet not very good, so just have it laying on a rock and working ok
the middle size one has a good magnet, holds it in place.
They both spread out the water real well, not like a ph