1.Convenient replacement. 2.Removes unpleasant tastes and odors. 3.Activated carbon inside Material: filter cottonSize: customized per customer's request.certificate:RoHS,REACH,FDAPerformance: Remove unpleasant tastes and odors from the water.Used for water filtration,such as coffee machine, coffee maker, tea maker, dringking machine.,etc Charcoal Water Filter for coffee machine-JD-WCF-018