Have u guys heard of the rumor that the ac 500 only does around 430 gph.Its not really a big deal but if your paying for 500 gph i think u should get it.
tb_077;550063; said:Just like most cars have a rated horsepower, but this hp is really rated at the flywheel, not at the rear wheels.
Either way, the AC110 has the bigger turnover rate for a HOB filter, for the dollar.