CSM Residential 35 GPD Thin Film Composite TFC Membrane For RO Reverse Osmosis System Permeates Flow Rate GPD (m3/day): 35 (132) Salt Rejec-tion % : 96.00 Dimension: Diam Inch (mm) x Length Inch (mm): 1.8 (46) x 12 (305) Testing Pressure: 60 PSI Made in Korean