JN-21 Refill Filter ONLY Kitchen Tap Faucet Water Purifier Filtration

5 layers water filtration system 1 Layer 1 (304 stainless steel net) filter small particles, small sands/stones 2 Layer 2 (ceramic filter) - filter the harmful chemical, bacteria, microorganism, dirt, red worms 3 Layer 3 (activated carbon) remove odor, chlorine residue, improve waters quality amp; taste 4 Layer 4 (high density PP cotton filter) prevent micro particles go into inner filter 5 Layer 5 (304 stainless steel net) prevent small particles go into inner filter Transparent casing, easy to see the dirty condition of the ceramic filter Compatible JINGEN JN-21 Water Tap Filter