IFA‑4103 Replacement GAC Inline Post Filter

with Quick-Connect Fittings

SKU: IFA-4103

IFA‑4103 Replacement GAC Inline Post Filter - Pure n Natural Systems

IFA‑4103 Replacement GAC Inline Post Filter

with Quick-Connect Fittings

SKU: IFA-4103

Translation missing: en.product.general.sale_price $45.00

Usually ships in 5 days; up to 10 for some models

Free shipping on orders over $100

Free shipping on orders over $100

Bulk order? Request a quote

30-Day Money-Back Promise

About this product

Polish your water right at the point of use. The IFA-4103 inline GAC post filter improves taste and odor by removing residual chlorine and organic compounds after primary filtration or RO systems.

This compact, easy-to-install filter connects directly to your water line using quick-connect fittings—no tools, no hassle.

Why it matters:

  • Delivers cleaner, better-tasting water at the final stage
  • Helps reduce chlorine taste and odor
  • Ideal add-on for reverse osmosis and filtration systems

Key Features

  • Improves taste and odor at the final filtration stage
  • Granular activated carbon (GAC) media for effective polishing
  • Inline design saves space and simplifies installation
  • Quick-connect fittings for fast, tool-free setup
  • Compatible with standard 1/4" water lines
  • NSF listed for material safety and performance

Best for

  • Reverse osmosis (RO) system post-filtration
  • Drinking water systems (residential or light commercial)
  • Ice makers and refrigerators
  • Coffee machines and beverage stations
  • Offices, schools, and small facilities

Specifications

Filter Type

GAC (Granular Activated Carbon)

Filter Size

2″ x 10″ inline

Connection Type

Quick-connect (QC) fittings

Inlet/Outlet Size

1/4″

Filter Life

Up to 6–12 months

Application

Post-filtration (RO systems, drinking water)

Certifications

  • NSF Listed – ensures material safety and performance standards
  • Suitable for use in potable water systems

What's in the box

  • 1 × IFA-4103 Inline GAC Post Filter (2″ x 10″)
  • Integrated quick-connect fittings
  • Basic installation orientation markings on filter

Installation tips

  • Install after your main filtration or RO system as a polishing filter
  • Ensure correct flow direction (follow arrow on housing)
  • Use with 1/4″ tubing for standard compatibility
  • Flush filter for 3–5 minutes before first use
  • Replace every 6–12 months or based on water quality
  • Avoid installing in areas exposed to freezing temperatures

Frequently asked questions

What does a GAC post filter do?
It removes chlorine taste, odor, and organic compounds to improve water quality after primary filtration.

Is this required for RO systems?
Many RO systems use a GAC post filter to polish water before dispensing.

How often should I replace this filter?
Typically every 6–12 months, depending on usage and water conditions.

Are tools required for installation?
No. The quick-connect fittings allow fast, tool-free installation.

Can this be used with a refrigerator or ice maker?
Yes, it works well for improving taste in fridge water and ice systems.

Does this remove contaminants like lead or bacteria? No. This is a polishing filter focused on taste and odor. Use with a full filtration or RO system for broader contaminant reduction.

Authorized Dealer

Authorized Dealer

We are an official dealer, guaranteeing 100% authentic products backed by the brand.

Free Shipping

Free Shipping

Place your order with no extra costs. Enjoy free shipping on all purchases.

30 days Free Returns

30 days Free Returns

If it’s not what you expected, you have 30 days to return it at no additional cost.

Over 14K customers trust us

Over 14K customers trust us

More than 14,000 satisfied customers trust and recommend us.

30+ years in the market

30+ years in the market

With over 30 years of experience, we are a solid and reliable name in the market.

Unmatched Warranties.

Unmatched Warranties.

We offer unmatched warranties, designed to give you complete peace of mind with your purchase.

Members-Only Bonuses Earn 1% Back & More

Sign Up For Free