Full Filter Pack for Sierra 4-Stage



This is the annual pack is specifically for the Nimbus 4-Stage. This pack includes the membrane filter. This is the replacement filters for the original Sierra system. You can determine if you have the 4 stage by looking at your system and seeing if you have 1 blue capped filter, 1 green capped filter, and 1 white capped filter. The recommended annual replacement filters for the Nimbus 4-Stage are:
  • 1 Green Cap Filter
  • 1 Blue Cap Filter
Every 2-5 Years the membrane should be replaced (white capped filter); or when the TDS falls below 85% of the raw water.


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