RC51 talks about the ECO pumps in this DIY thread...

http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=245867&page=1

AND DCQuarterCircle seems to like his AP Pumps...

http://forums.pondboss.com/ubbthreads.php?ubb=showflat&Number=511966#Post511966

I can't vouch for the pumps, but that is where I would start researching.


Fish on!,
Noel