CRYSTAL QUEST Undersink Replaceable Single Fluoride Multi PLUS Water Filter System<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>ERA-6500 and ERA-9500 are major advancements in water treatment technology that works on the electro-chemical and spontaneous-oxidation-reduction (Eagle Redox Alloy®) principles. Chlorine is instantaneously and almost inexhaustibly oxidized.</li><li>Easy to use and install on most sinks.</li><li>Please note: When considering installation， if current under sink plumbing is hard copper tubing the saddle valve would be used; for flex tubing the T-valve would be required. Saddle valve is sent with order unless T-valve is specified.</li><li>Dimensions: 5"L x 14"H (10"+ 4" to change cartridge) x 5"W</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31QuHNSAu2L.jpg" noproxy>