100 GPD RO membrane,Rejects impurities down to 0.0001 micron,Reduce Total Dissolved Minerals,Arsenic,Lead,Mercury,Fluoride and moreHigh Quality - NSF/ANSI Standard 58 certificated.Polyamide film composite materialUniversal Compatible-Standard size ( Membrane Dimensions: 11. 75" x 1. 75" ), Fits 1812/2012 residential RO membrane housings (2” Inner Diameter )Life Span-It depends on usage amount and feed water quality. Usually,24 months or 35,000 Gallons pure water for most tap water (200-500 ppm)Friendly Design, Easy installation. It is suitable for most Reverse Osmosis Water Filtration SystemPlease note to flush new membrane 30 minutesDo not freeze
