Product review (1 stars): Very Bad Smell
IThese were delivered to me a couple of days ago and the smell was just terrible. I clean my unit once a week using diluted bleach to clean out the inside of tank and diluted white vinegar to clean scales from the area where the tank sits. I have had my humidifier for about a 8 months, use it on a regular basis, and had been buying these exact same filters from a brick and mortar store (Target to be specific) and have never had this occur before. I initially thought maybe it was just one bad filter so I went through the whole process of cleaning my humidifier again and then putting in the other filter that was delivered to me and within about 10 minutes the exact same awful smell. I immediately tossed the other filter as well drove to Target and bought another filter, cleaned out the humidifier again (just to be safe), and after that it was fine. I see other people have had very good results buying their filters through Amazon, but I do not think I will risk it again because obviously the filters that were sent to me were seriously compromised. I did not even bother trying to get a refund on them because the shipping costs to send them back would have been too much (in relation to how much I paid for them that is) and I bought them here more out of convenience than anything. I was not even going to write a review, but when I saw that  another person here had  experienced the exact same thing and stated that she had smelled "an unrecognizable stench"  I thought I would share what had happened to us as well. . Oh well, live and learn I guess.