Legacy Undersink Replacement Filter Pack (older systems)

Please use the dropdown menus above to select:

• Housing Type: Stainless Steel Housings, White Housings, or Clear Housings
• System Type: Standard or Includes Inline Mineral Cartridge

Select the housing type that matches what you see under your sink. Different housing styles require different replacement filter configurations.

This replacement pack is designed for Greenfield Water Solutions undersink systems that use:

• Stainless steel filter housings
• White filter housings
• Clear filter housings

If you’re unsure which housing type you have, please contact us before ordering and we’ll be happy to help identify the correct replacement pack.

Your replacement pack will include the correct filters for the housing type and system configuration selected above.

• Standard Pack: Core replacement filters for your system
• Includes Mineral Cartridge: Core replacement filters plus an inline mineral cartridge

Filter configuration varies based on housing type and system configuration.

Replace filters every 6–12 months, depending on:

• Water quality
• Usage volume
• Sediment levels in your area

Replacement Guide (PDF)

Sanitization Guide (PDF)

Installation is straightforward with basic household tools. If you’re unsure which housing type you have, our team is happy to help.