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There is no difference in the membrane. It appears as if the HR vs HP may be a typo on our side. Feel free to let us know if you have any further questions!
My system holds a steady pressure of 58-60 psi. Incoming TDS is light at only 120-135.
DOW Filmtec 100 GPD TW30-1812-100HP Membrane Specs:
- 100 Gallons Per Day
- ANSI/NSF 58 listed for material safety.
- Dimensions: 1.83" W X 11.75" L
- Stabilized Salt Rejection (%): 98.0
- Permeate Flow* gpd @ 50 psi: 100
*Permeate flow specifications are based on 500 mg/L NaCl solution at 50 psi (3.4 bar) inlet pressure, 77°F (25°C), 15% recovery after 24 hours. Individual element flux may vary ±20%.
Awesome water saver! By Dustin on 2/22/2017Dustin would recommend this product to a friendI should have done this a LONG time ago! Saves water and time!
Works great! By aquanut on 10/26/2016aquanut would recommend this product to a friendI purchased this to use in conjunction with the BRS 800 mL Flow Restrictor ( I purchased previously). I have a Coralife Pure-Flo II 50GPD 4 stage RO System that has a 1/4" Aquatec 8800 Booster Pump Kit installed on it. I wanted to increase my throughput though and this did the job. I needed to remove the exiting flow restrictor that I discovered was located in the 90 degree output elbow of my system and replace it with an 1/8" MPT to 1/4" push to connect elbow. My throughput has dropped from 30 minutes to 18 minutes (2 1/2 gal. jug). I'm glad it worked and thanks to BRS for carrying what I needed for my upgrade.
Awesome Product By TJ on 6/4/2016TJ would recommend this product to a friendThis replaced a 150 GPD RO membrane that I previous had. I had bought the unit used from someone else and I was going thru DI resin so fast it wasnt even funny. Changed out my RO membrane with this one and its working great!
Working well oninitial installation By James on 4/9/2016James would recommend this product to a friendI have just concluded a build up of my own design system. A Staged 2X100 GPD RO Membrane system and with the addition of a booster pump these unit are performing exceptionally well.