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  • Just a quick note to thank you again and express my appreciation for all your help on this purchase. Your guys are great!
    - Rich
  • Thank you for the excellent service. Very impressed with service from you folks.
    - Tim
  • I was kind of leery about shelling out that kind of money without knowing what kind customer service I would get. Not anymore! I now feel like I made a wise choice.
    - Nicole
  • John was excellent in answering all my questions and even talked at length about new products and fish related stuff. I really enjoyed doing business with this company!
    - Travis
  • I just want to say thank you greatly for all of your assistance! I am highly impressed by your customer service focus.
    - Nicole
  • The item that I purchased was delivered a lot faster than expected, not to mention a professional job packing the light.
    - Michael
  • Thank you, John, for your prompt attention... I will definitely order from you guys again!
    - Jack
  • Tank is gorgeous. Whole family is loving it. Now we're spending our evenings watching it instead of TV!
    - Joan
  • Just like your feedback points out, you guys are great to deal with. I look forward to many more future purchases.
    - Lenny
  • Thanks again for the great service it was a pleasure dealing with you. I will definitely be recommending people your way.
    - Pete
  • It's been a long time since I've had such great customer service. I truly appreciate it and will be using you from here on out.
    - Eve
  • I want to thank you for you service. I will be recommending you to all of my fish friends and to the ten different fish clubs that I belong to.
    - Charles
  • We can't thank you enough! The chiller just arrived as you promised and we are back in business! You are a miracle-worker!
    - Dr. Delbridge, PMP
  • I've been in the hobby for almost 5 years now and have dealt with a lot of vendors. I am very impressed with the packaging and fast shipment!
    - Thai
  • When it comes time to buy a new tank. Fish Tanks Direct will be the first place I go...
    - Marc
  • Customer satisfaction is certainly a top priority for you, and we would definitely want to do business with you again.
    - Janet
  • I am writing this e-mail to say thank you for your great customer service.
    - Jimmy
  • The tank was delivered safe and sound. More over... the way it was packaged up for shipment was Excellent!
    - Darren
  • I couldn't find a better price on the item I wanted! The best price and the best service? You guys are great.
    - Dave
  • Fish Tanks Direct is PHENOMENAL! Their customer service is hands down the best I’ve come across in 10 years of reef keeping.
    - Wesley
  • I must say as being a business owner, I commend your company on the customer service and speed of your deliveries.
    - Rob
  • Thank you very much for your fast and efficient service... awesome!
    - Marlene
  • Just wanted to say thanks again for all you and your team did in assisting me with the fish tank. It looks great and I'm a very satisfied customer.
    - Scott
  • Thank you, John!!! Great customer service... give yourself a pat on the back!
    - Dary
  • Thank you sooo much for all your help. We love our new acrylic tank and setup. Everything is so much clearer and the color of the fish is much truer.
    - Jone H

Aquatic Life RO Junior 4-Stage Reverse Osmosis Unit 100GPD

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Product Description

RO Junior Reverse Osmosis System - Economical Filtered Water using Standard 10" Cartridges! The RO Junior provides up to 100 GPD of economically filtered Reverse Osmosis water, removing harmful substances such as heavy metal ions and total dissolved solids from tap water. Item 540326.


  • Manual flush valve allows user to increase membrane life.
  • Clear micron cartridge housing makes it easy to view when cartridge should be replaced.
  • Auto shut-off valve stops incoming water supply when outflow is turned off.
  • Manual flush valve allows water to flush the membrane.
  • Wrenches make it easy to access the cartridge and membrane housings.
  • Garden hose adapter make it easy to connect to a faucet.
  • 0.25 IN Buddy-Fit Press Fit Connectors simplify plumbing.
  • 0-160 PSI gauge provides a pressure reading of the supply water.
  • 10 FT x 0.5 IN of each Blue, Yellow and Red Polyethylene Tubing helps with plumbing setup.
  • Built-in wall mount bracket allows the unit to be hung and secured in place.
  • Easily upgrade by adding the optional Deionization (DI) unit that attaches to the membrane housing.

Includes: 1 Micron Pre-filter Cartridge (Aquatic Life #330088), Solid Carbon Block Cartridge (#330090), Catalytic GAC Cartridge (Aquatic Life #330313) and 100 GPD TFC Membrane Cartridge (#330093) 

OPERATING REQUIREMENTS: Minimum water pressure: 60 PSI, Maximum water pressure: 100 PSI, Optimal water temperature: 77*F (25*C), Maximum water temperature: 105*F (40.5*C), Typical rejection rate: 1:4.

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