Full Filter Pack for Sierra 4-Stage

Description

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.