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Germany, Berlin
1 Level
423 Review
0 Karma

Review on 🚿 Poly Guard Replacement Cartridge for Crystal System - Compatible with Whole Home Water Filters - Scale and Rust Prevention - Hard Water Treatment by Christy Grizzle

Revainrating 5 out of 5

I'm not entirely sure why I need this.

But it was originally fitted to my van (a reputable manufacturer's bus) so I replaced the original when I made the reverse osmosis filters. It seems to have something to do with protecting the pipes. In any case, this replacement is fine!

Pros
  • Acceptable
Cons
  • Defective