If you are looking for a professional and whole house water filter, then your research is over here. That's because our product can meet your need. Adopted of , it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color:White -Material: cotton -Size: 25.00X6.00X6.00cm/9.82X2.36X2.36in Filter fineness: 1um Service life: 3-6 months - The fibers are denser, the pores are larger, the structure is tighter, the density is larger, the three-dimensional filtering effect is stronger, and the dirt holding capacity is larger. - Packaging film is made of safety-grade material, and -free, different from other film packaging. - Adopt needling surface to increase the filtration area, and the filtration is smooth and not easy to block. - With an internal spiral pattern design, which increases the filter area and increases the pressure resistance of the filter element. - Does not contain adhesives, reagents, solvents, anti-static materials or wetting agents. Package list: 6 filters