What kind of AC and DC pumps do you recommend？

　　
All the previous purchases have failed in less than a year, everyone recommends Dongshan County, Zhangzhou City, Fujian Province
========How did the fish friends of the Xianglong Aquatic Alliance comment==
Dragon fish tribe skr Yuyou said: Bot big Q, 10w, mute is very good
Hawkins Luzhou Laojiao Yuyou said: Play Satan!
Hawkins Luzhou Laojiao Yuyou said: Bot!
A fish farmer in Suqian, Jiangsu
Xiaolong went home Yuyou said:
Beijing Laoning Yuyou said: Huike can take a look!arowana 5myanmar moviseColorful Arowana(What"s wrong with colorful silver dragon%Tianjin Fish Market~How much is a big red dragon fish@Is the colorful silver arowana true?/Can colorful be mixed with arowana)Colorful fairy and dragon fish polyculture,Tianjin Red Dragon:Malaysian colorful silver arowana^ Koricky Fish，