ROCKET KING multi-layers stainless steel sand filter is developed for household & commercial application even for factory also. The filter can fit immediately after the water mains to provide filtration for the whole house use. the ROCKET KING multi-layer stainless steel sand filter body casing is manufactured from highest quality materials (such as pipes and body casing from SUS 304 food grade stainless steel) design to last for whole life, and some model made with class 6 hard grade PVC pipes. The ROCKET KING filtration incorporates the most technically advance purification media such as Activated Carbon (CGC 11A), Anthracite Sand, Zeolite Manganese, Quartz Sand and Fine Sand imported from USA. The result in the removal of a wide range of contaminants such as sediments, sands, rust, mud, dirt, chemicals, diseases such as chlorine and etc. Turbidity level less than 5 NTU (W.H.O standard) based on 40-60 psi inlet pressure.The filter requires period backwashing for optimum flow and performance. The backwashing process is by itself simple and usually takes only a few minutes.