Come and see our amazing products. Our upgraded 4-stage filtration system includes double-layer pp cotton fiber, coconut shell activated carbon and hollow fiber ultrafiltration membrane. It can remove 99.99999% of harmful substances (pollution, odor, chlorine and organic chemicals, etc.) and improve taste. Ensures the safest water in the harshest environments. High filtration accuracy. With a pore size of 0.1 micron, we can filter out 99.99999% of small substances. Pls confirm with us about the packing info, stock color and exact production time before placing your order.