Excellent To start with,and Consumer Supreme is our guideline to deliver the top services to our shoppers.These days, we're attempting our best to be among the top exporters in our industry to meet buyers much more need for Domestic RO Membrane 400GPD for Reverse Osmosis Water Purification, We attend seriously to produce and behave with integrity, and because of the favor of clients in your house and abroad in the xxx industry. Excellent To start with,and Consumer Supreme is our guideline to deliver the top services to our shoppers.These days, we're attempting our best to be among the top exporters in our industry to meet buyers much more need for Domestic RO Membrane, Our company has already had a lot of top factories and qualified technology teams in China, offering the best goods, techniques and services to worldwide customers. Honesty is our principle, skilled operation is our work, service is our goal, and customers' satisfaction is our future! RO Membrane Element HIDTM Commercial RO Membrane ranks the best brands in China among the RO membrane industry. RO Membrane Element has won the trust of numerous clients for feeding the reliable purified water over 10 years. Each membrane is made of HID developed & pre-examined sheet and goes through stringent making processes as well as in-house quality inspection & testing before delivery. HID Membrane has been certified by SGS & China Jiangsu Sanitation Bureau wrt drinking water membrane elements. Model No. Min. Salt Rejection (%) Stabilized Salt Rejection(%) Permeate Flow Rate(gpd) TestTemp. Test Pressure Test Water TDS TFC-3012-200 95 97 200 25℃ 65psi 500ppm TFC-3012-300 95 97 300 25℃ 65psi 500ppm TFC-3012-400 95 97 400 25℃ 80psi 500ppm TFC-3013-400 95 97 400 25℃ 100psi 500ppm TFC-3012-500 94 96 500 25℃ 100psi 500ppm TFC-3213-600 94 96 600 25℃ 100psi 500ppm TFC-3213-800 94 96 800 25℃ 100psi 500ppm 1. Permeate flow rate and salt rejection is based on testing conditions: 25℃, PH 7.5, 20% recovery. 2. Stabilized salt rejection is generally achieved within 24-48 hours of continuous use, depending upon feedwater characteristics and operating conditions. Model No. Maximum  Operating Temperature Maximum  Operating  Pressure Feed Water PH Range,  continuous operation Maximum Feed Water Turbidity Maximum  Feed Water SDI Chlorine  Tolerance TFC-3012-200 45℃ 200psi 4-11 1NTU 5 <0.1ppm TFC-3012-300 45℃ 200psi 4-11 1NTU 5 <0.1ppm TFC-3012-400 45℃ 200psi 4-11 1NTU 5 <0.1ppm TFC-3013-400 45℃ 200psi 4-11 1NTU 5 <0.1ppm TFC-3012-500 45℃ 200psi 4-11 1NTU 5 <0.1ppm TFC-3213-600 45℃ 200psi 4-11 1NTU 5 <0.1ppm TFC-3213-800 45℃ 200psi 4-11 1NTU 5 <0.1ppm