Quote Originally Posted by Laura_Leigh View Post
i set one up and I was not overly impressed with it as most of the air just bounced off the filter and out the back of the fan, rather than going through the filter... some went through the filter, but the majority went through the back of the fan. I use Rainbow Air purifiers I got off of ebay in my rat room. They help a LOT.
Hey Laura, you need to place filter on intake side not discharge side of fan .....this will force air in thru filter and then be blown out as purified. Make this switch and I'm sure you will notice an improvement.