What size electric fan?
This is one I went with.
http://www.summitracing.com/parts/HFM-ZFB16S/
Bit more then the hhr and taurus fans but flows 3000cfm and only 10 amps. Plus I ran out of room so had to install as a pusher fan. Works better then the hhr fan I had on it before i switched pumps.
Troy