Legacy Undersink Replacement Filter Pack (older systems)

Earlier Greenfield Undersink Replacement Filter Pack

includes the filtration cartridges needed to maintain

your earlier generation Greenfield Water Solutions

undersink filtration system.

Combining advanced electropositive nanofiber

technology with premium activated carbon block

filtration, these replacement packs are designed

to address chlorine, chloramine, certain heavy

metals, PFAS, VOCs, fine particles, and other

unwanted substances while preserving naturally

occurring dissolved minerals.

Available for stainless steel, white, and clear

filter housings, with or without an inline

mineral cartridge, each pack is configured

to match your selected system and maintain

clean, great-tasting drinking water.

In Stock & Ready to Ship!

Earlier Greenfield undersink replacement

filter packs are currently in stock

and ship within one week of purchase.

Important Compatibility Information

Earlier Greenfield undersink systems

were produced with several housing

styles and optional filtration components.

Please select the options that match

your existing system using the

product dropdown menus.

Housing Options:

Stainless Steel, White, or Clear.

System Options:

Standard or Includes Inline Mineral Cartridge.

Different housing styles may require

different replacement cartridge configurations.

If you’re unsure which system you have,

our team can help identify the correct

replacement pack from a photo.

Key Benefits

•

Complete replacement pack:

Includes the cartridges needed for your

selected earlier generation

undersink filtration system.

•

Upgraded advanced carbon block:

Features a premium American made

carbon block manufactured using

100% coconut shell activated carbon,

with a 0.5 micron nominal

filtration rating.

•

Broad contaminant reduction:

Complementary filtration technologies

selected to address chlorine,

chloramine, certain heavy metals,

PFOA/PFOS, VOCs, and other

unwanted substances.

•

Advanced nanofiber filtration:

Electropositive filtration technology

helps capture extremely fine particles,

certain microorganisms, and other

suspended contaminants.

•

Improved taste and odor:

Carbon filtration helps reduce chlorine

and substances that affect drinking

water’s taste and smell.

•

Multiple housing options:

Replacement configurations available

for stainless steel, white, and

clear filter housings.

•

Optional mineral cartridge:

Available for systems already equipped

with an inline mineral cartridge.

•

Mineral preservation:

Standard carbon and nanofiber

filtration stages retain naturally

occurring dissolved minerals.

•

Convenient maintenance:

Recommended replacement approximately

every 6–12 months, depending on

household size, water quality,

and overall usage.

How to Choose the Correct Pack

Use the product dropdown menus above

to select the two options that match

your existing undersink system.

1. Select Your Housing Type

• Stainless Steel Housings

• White Housings

• Clear Housings

Choose the housing style currently

installed beneath your sink.

Different housing styles may require

different replacement cartridge

configurations.

2. Select Your System Configuration

•

Standard:

For systems without an inline

mineral cartridge.

•

Includes Inline Mineral Cartridge:

For systems equipped with the additional

inline mineral cartridge.

Not sure which options to select?

Contact our team before ordering.

A photo of your existing system

is often all we need to help

identify the correct replacement pack.

What’s Included: The Filtration Cartridges

Your replacement pack includes the

appropriate cartridges for the housing

type and system configuration selected.

Standard Replacement Pack

•

1 Advanced Electropositive Nanofiber Cartridge:

Uses specialized electropositive filtration

technology to capture extremely fine

particles and certain microorganisms

while maintaining strong water flow.

•

1 Premium Carbon Block Cartridge:

Activated carbon filtration helps reduce

chlorine and other substances that affect

drinking water’s taste and odor.

•

1 Upgraded Advanced Carbon Block Cartridge:

Premium American made carbon block

manufactured using 100% coconut shell

activated carbon, with a 0.5 micron

nominal filtration rating.

Designed for complementary treatment

of chlorine, chloramine, certain heavy

metals, PFAS, VOCs, and other

unwanted substances.

Replacement Pack with Mineral Cartridge

• 1 Advanced Electropositive Nanofiber Cartridge

• 1 Premium Carbon Block Cartridge

• 1 Upgraded Advanced Carbon Block Cartridge

• 1 Inline Mineral Cartridge

The inline mineral cartridge is

included only when the corresponding

system option is selected.

The upgraded advanced carbon block

replaces one of the previous carbon

filtration cartridges while retaining

the three-cartridge configuration

of the standard replacement pack.

Filter Performance & Testing

These replacement packs combine

electropositive nanofiber fil…