Tianjin Wan Feng Purification Equiment Co., Ltd. is a professional manufacturer about AIR AND WATER filter elements. Our products include plastic and stainless steel filter housings, all kinds of filter cartridges activated carbon cartridges, PP sediment cartridges, PP wound cartridges, Positive-ion resin cartridges, Hollow fiber cartridges and so on, and the other spare parts. We also supply water filter systems such as countertop or undersink, plastic or stainless steel types and assemble household and commercial RO systems.