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Review on PROQ 550 Replacement Under Sink Reverse Osmosis by Adam Martinez

Revainrating 5 out of 5

If you have a liquid solution reverse osmosis system, this is it!

If you have a slurry system, you need these filters and membranes. Liquid Solutions charges 199.99 for a filter change once a year and 250.00 for a membrane change every two years. These are EXACTLY the same filters! You just have to replace them with the old ones. Make sure you have a towel and a bucket or something else to put the old ones on. Installation is easy. with the blue label) of them, and you will need a wrench to replace the smallest one. Otherwise you are ready to go.

Pros
  • Price
Cons
  • Small parts