LG Refrigerator Model Number LRFXS3106S Compatible Fresh Air Filter

1 Pack

$15.99 USD $24.64 USD

LG Refrigerator Model Number LRFXS3106S Compatible Fresh Air Filter

Your LG 31 Cu. Ft. Smart Standard-Depth MAX French Door Refrigerator Model LRFXS3106S uses this Genuine LT120F Replacement Air Filter

$24.64 USD $15.99 USD

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The LG Refrigerator Model LRFXS3106S Compatible Fresh Air Filter helps keep your fridge interior fresher by reducing common food odors. Its activated carbon material helps absorb smells from onions, fish, dairy, leftovers, sauces, and other strong-smelling foods stored inside the refrigerator.

This replacement air filter for LG LRFXS3106S fits easily with a snap-and-twist design. No tools are required, and installation only takes a few moments. For better odor control, change the filter every 6 months or sooner if unwanted smells return. It is a simple maintenance step that helps your refrigerator stay cleaner and fresher for everyday use. Your purchase is also covered by our 30-day return/refund policy

LT120F Replacement Guide: Photos, compatible models, tips, and FAQs: Read the LT120F Replacement Guide

Also need a water filter? Find the compatible water filter for your LG LRFXS3106S refrigerator: Shop LG LT1000P Water Filter

Need both filters? Choose the LG Combo Kit for LRFXS3106S.

LG refrigerator model LRFXS3106S compatible fresh air filter LT120F

LG refrigerator LRFXS3106S with air filter packaging on a light blue background

Key Features

Forced Air Circulation: Works with a dedicated refrigerator fan to push air through a carbon-deodorizing layer for maximum coverage.
Intense Odor Neutralization: Uses highly concentrated activated carbon to trap and eliminate strong food odors like onion, garlic, and fish.
Cross-Contamination Prevention: Prevents strong odors from seeping into neutral foods like milk, butter, and ice.
Freshness Preservation: Helps keep the interior environment clean, which can help extend the "tasting fresh" life of produce and leftovers.
Snap-and-Lock Fit: Designed for a precise fit behind the "Fresh Air Filter" cover on the back interior wall of the refrigerator.
Compact 6-Month Cycle: Provides high-efficiency deodorizing in a small 3.25" x 3.25" footprint with a recommended 6-month replacement cycle.

Specifications

Brand: LG
Compatible With: LG Refrigerator Model LRFXS3106S
Filter Type: LG Fridge Replacement Air Filter
Model Number: LG LT120F
Part Number: ADQ73214404
Dimensions: ‎3.3" D x 1.1" W x 4.5" H
Material: ‎Carbon/HEPA filter media
Color: White, Black
Weight: ‎1.44 lbs
Temperature Range: 34°F to 45°F
Filter Lifespan: 6 months
Certifications: NSF/ANSI 42, 53, 401

Frigidaire Pure Air Ultra II Refrigerator Air Filter pack of 2 with text about odor elimination and testing results on a white background

How It Works

The air filter uses activated carbon technology to continuously circulate and purify the air inside your refrigerator — neutralizing odors from foods like fish, leftovers, and produce before they spread or affect flavor.

Activated Carbon Core: Uses a dense carbon matrix to adsorb odor molecules and gases on contact.
Continuous Air Circulation: Works with your fridge's fan to pull air through the filter repeatedly, 24/7.
Adsorption Technology: Traps contaminants at a molecular level rather than just masking smells.
Passive Filtration: Requires no maintenance between replacements—install, and it works automatically.

Why It Matters

Odor Control

Prevents food odors from spreading and mixing inside your refrigerator.

Freshness Protection

Removes ethylene gas that accelerates the spoilage of fruits and vegetables.

Food Safety

Inhibits airborne bacteria and mold spores from contaminating stored food.

Why It Matters — Fresh Refrigerator Interior

What This Filter Removes

Our certified filtration system targets and removes a wide range of harmful contaminants and odors.

Food Odors: Neutralize strong smells from fish, leftovers, onions, and other pungent foods.
Ethylene Gas: Absorbs the natural gas emitted by ripening produce that speeds up spoilage
Airborne Bacteria: Captures and reduces bacteria circulating in the air inside your fridge.
Mold Spores: Filters out mold spores before they can settle and grow on stored food
Volatile Organic Compounds (VOCs): Remove harmful chemical compounds that can affect food quality.
Cross-Contamination Particles: Prevents flavor and odor transfer between different food items.

When to Replace Your Refrigerator Air Filter

Every 6 Months

Activated carbon saturates over time. Replacing every 6 months ensures continuous odor and gas adsorption — even if the filter looks clean.

Filter Alert Light

When your fridge's air filter indicator turns red or begins flashing, replace immediately. The sensor tracks usage and airflow performance automatically.

Persistent Fridge Odors

If odors linger inside a clean fridge, your air filter is exhausted. Don't wait for the indicator — trust your nose and replace it promptly.

See which water and air filter is compatible with your refrigerator.

Find Compatible Models

FAQ

Q: Does my LG refrigerator model LRFXS3106S has an air filter?
A: Many LG models, including the LRFXS3106S, come with a fresh air filter to reduce odors and bacteria. Check your fridge model specifications or look for the air filter compartment to confirm.

Q: How do I know if the filter needs replacing sooner?
A: If you notice lingering odors or the “replace filter” light appears on the control panel, it’s time to replace the filter — even if six months haven’t passed yet.

Q: Where is the fresh air filter on an LG refrigerator?
A: Fresh Air Filter for LG Refrigerator LRFXS3106S is typically located inside the refrigerator's compartment, not in the freezer or on the exterior.

Q: Can I install this air filter myself?
A: Yes, it uses a simple tool-free push-in design for quick installation.

Q: How do I know if it fits my LG refrigerator?
A: If your LG fridge has an air filter compartment, especially in French Door or Side-by-Side models, it’s likely compatible. Check your user manual or model number.

Q: Which air filter is for my LG refrigerator LRFXS3106S?
A: Your LG Refrigerator model LRFXS3106S uses this LG LT120F air filter.

Q: How do I change the fresh air filter in my LG refrigerator?
A: Turn the fresh air filter cover counterclockwise to remove it, then pull out the old filter. Insert the new filter with the “FRONT” label facing outward, align the cover tabs with the hooks on the fridge, rotate it clockwise to lock, and press the Fresh Air Filter button for 3 seconds to reset.

Q: What to do after replacing LG air filter?
A: Reset the air filter on your LG refrigerator press and hold the "Air Filter" or "Fresh Air Filter" button on the control panel for approximately 3 to 5 seconds. The indicator light will turn off, signaling that the filter system has been reset.

Q: What if the “Replace Filter” light does not reset after installing?
A: After installation, you must press and hold the 'Fresh Air Filter' button for three seconds. If the light remains on, double-check that the cover is correctly aligned and locked.

Q: What is the correct replacement part for this model?
A: The correct replacement part for this model is LG LT120F / ADQ73214404. Please check your LG fridge model compatible replacement part number before buying.

Q: Is the filter certified and safe?
A: Yes, this LG refrigerator air filter is NSF/ANSI certified, meeting strict safety and performance standards.

Q: What if I’m not happy with the filter?
A: We offer 30 days return/refund policies if the filter does not fit with LG Refrigerator Model LRFXS3106S