water purifier is made of aluminium and there is ceramic replaced r-refill in it. packing detail:1with a smallbox and 12with carton brand namemodelweigthcolormaterialstyleyongjianYJ-E0021007gwhitealuminum and ceramicsnew styleFunction: purification and anti-bacterium 1) Ceramic filters out dust, rust, cyst, cryptosporidium and guardian, particle and sediment contaminants above 0.9 micron 2) GAC (granular activated carbon): premium grade granular activated carbon filter removes microbial, cryptosporidium and guardian, chlorine, taste, odor, pesticides,and other chemical substances in the water. 3)Removes harmful bacteria such as E. coli, Fecal Coli form, Salmonella, Streptococcus,and cysts (Cryptosporidium, Giardia). Reduces bad taste and odor, sediment,and asbestos. Cartridge is washable up to 30 times. The flow rate of the ceramic filter can be easily renewed by simply brushing its outer surface with a stiff toothbrush, plastic brush or soft scouring pad under running water. As the top layer of ceramic and contaminants are brushed off, a new layer becomes available. Do not use soap, detergents or steel wool. Features: 1) Diameter: 53mm 2) Height: 254mm (or as per your requests) 3) Main ingredients: kieselguhr 4) Filter precision can reach 0.1micron, the out-water is 280-380L/H 5) Application: for water purification bottle 6)packing:Inner packing: 1pc/box Outer packing: 50pcs/ctn Description:Major traits: 1) Light, high air hole ratio and a capacity less than 0.8g/cm,the air hole ratiois 1.3-1.5 times that of a general ceramic filter object. In the same conditions,its transmissibility is 1.5-3 times that of a general piece ceramic filter element. 2)Apertures are evenly laid with a high filter precision that reaches 0.1micron 3) Status of self-cleaning is fine without any contamination in itse 4) It is liable to regenerate, which allows rinsing with brushes, polished with sandpaper and flushed with clear water or repeated washing