Product review (5 stars): Excellent Product, Better Than the OEM Wick
These have been quite satisfactory and far superior to the OEM model, which kept on drying out on me and then not putting out moisture.  No such problem with the BestAir.  Any deposit build-up, which from prior experience I know is perfectly normal, came off with a simple soaking in water with some white vinegar added.  Using a bacteriostat solution also kept down the build-up.