Their uni-pad construction allows for an even flow of air throughout the pad. These pads also have grid-flo stitching, which results in fast pad saturation, and the prevention of any sagging or clogging. For the delivery of quick, cool air, these are the most suitable pads.
After trying the paper and blue replacement pads several times, we found that they did not function well. The Aspen pads or wood cellulose worked much better.