Japan Made "HG-N" Type Premium Grade Compatible Filter for Enagic Kangen SD501HG-N  "HG-N"  After 2011 Newer Model(Not Compatible with Original HG Before 2010 Models) Made in Japan. HG-N Newer Model - SD501HG-N Leveluk Leveluk DX LevelukDXII Leveluk Jr Leveluk JrII Leveluk Super 501 Leveluk SD501HGN Japan Premium Grade filter is designed to effectively remove LEAD, chlorine, sediments, and odor from your tap water. 5,000 Gallons Last longer. GENUINE Premium filter can remove LEAD! It is very important to remove LEAD from your drinking water to keep your healthy life. HG-N Replacement Cartridge Filter HGN compatible(Sold After Jan 1, 2011) Not fit to HG Original model(Sold Before Dec 31, 2010). Compatible with Newer Model Enagic Kangen Alkaline Sun-US filter, most Toyo and Leveluk series water ionizers. Made in Japan - Guaranteed BEST taste of water! We never use cheap quality material for this filter and you notice the difference from other cheap quality filters. This item doesn't have any leaking water problem. Other cheap filter use cheap quality grade of material and also leaks water.