Hundreds of impurities are reduced by over 99% through the 0.0001 micron TFC membrane layer, including heavy metals (fluoride, calcium, magnesium, lead, colloids, chromium, and nitrates), organic materials such as bacteria and viruses, and harmful minerals, including other soluble salts found in water sources. Industry-standard element size 11.75 x 1.75-inch, designed to fit in standard 1812/2012 residential-style RO membrane housings utilizing a 2-inch internal diameter. Suitable for most Reverse Osmosis water filtration system, such as. APEC Water Systems RO-90, ROES-50, ROES-PH75, ROES-UV75, RO-Hi, RO-PERM. Aquatic Life RO Buddie Part No.Express Water RO10DX, RO10MX, RO10XC, RO5DX, RO5M, RO5X. GE GXRM10RBL, GXRV10ABL, GXRV10ABL01 Part No. H2O Splash RO Systems / Home Master TMAFC, TMHP. ISpring RCC1P, RCC1UP, RCC1UP-AK, RCC7, RCC7AK, RCC7AK-UV, RCC7D, RCC7D2, RCC7P, RCC7P-AK, RCC7U Part No. Max Water Residential RO Systems. The membrane element has a life expectancy between 24 to 36 months, based on average feedwater quality, temperature, and incoming water pressure. Assistance is available from our experts, ready to answer any of your questions about your RO membrane. Have a concern or question? Welcome to the Membrane Solutions family. Filter Size: 11.75" x 1.75" (Fits Standard 2 ID Membrane Housings). 100 GPD - 2 Pack: 2 x 100 GPD RO Membrane 100 GPD - 4 Pack: 4 x 100 GPD RO Membrane 100 GPD - 6 Pack: 6 x 100 GPD RO Membrane 150 GPD - 2 Pack: 2 x 150 GPD RO Membrane 150 GPD - 4 Pack: 4 x 150 GPD RO Membrane 150 GPD - 6 Pack: 6 x 150 GPD RO Membrane.