“The filters are lasting a good amount of time. This product has improved.”
“I have always received good customer service from 21st century. Their products have never disappointed me. A good company.”
“Good product. Best to get off cigarettes. Only problem batteries don't last.”
“I like the convenience of ordering on-line and home delivery. Sale prices are good.”
“When I order I have a very short wait time until my product arrives, which is great!”
“great deal, had to stock up while i can..and the taste is great and enjoyable.”
