Does your refrigerator smell like last night's leftovers — or a mix of everything inside? Stale air and strong food odors are common problems in modern fridges. The LG LT120F air filter replacement is a simple fix that helps remove those unwanted smells and keeps the air inside your refrigerator clean and fresh. If your fridge smells off or your filter light is on, this guide is for you.
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What Is the LG LT120F Air Filter?
The LG LT120F is a fresh air filter for LG refrigerators. It helps reduce unwanted food odors inside the refrigerator compartment. Unlike a water filter, it purifies air only.
When food sits in your fridge, strong smells can spread from one item to another. The LT120F helps slow that process by keeping the air inside cleaner. The result is a fresher-smelling refrigerator and food that is less likely to absorb odors from nearby items.
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Odor Reduction Helps remove unwanted food smells from inside your fridge |
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6-Month Replacement Replace every 6 months or when the filter alert light turns on |
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Easy Twist Installation No tools needed, just twist and replace in seconds |
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Helps Keep Food Fresh Helps protect food from absorbing strong odors from other items |
When Should You Replace It?
Replace the LT120F air filter every 6 months. A used filter absorbs less odor, resulting in faster odor buildup in your fridge.
- The air filter indicator light on your refrigerator turns on.
- Your refrigerator has a noticeable odor even after cleaning.
- Replace the filter if 6 months have passed since the last change.
- If food in the fridge absorbs smells from other items, replace the filter.
What happens if you don't change the air filter in your refrigerator?
If you don't replace the air filter, food odors can linger and mix, reducing air circulation and causing food to spoil faster.
- On a label inside the refrigerator compartment (often on the side wall or ceiling)
- On the original purchase receipt or owner's manual
- On the back of the refrigerator
⚠️ Important Note
How to Replace LG LT120F — Step-by-Step Guide
Replacing the LG LT120F is quick and easy. You do not need any tools. The whole process takes less than a minute. Here is how to replace the LG LT120F in six simple steps:
Turn the cover counterclockwise
Remove the old LT120F filter
Place the new filter inside the cover
Align cover tabs with wall hooks
Reinstall the cover and turn it clockwise
Reset the air filter indicator if needed
⏱ Total Time: 3–5 minutes
How to Reset the Air Filter Light
After you replace the filter, the indicator light on your refrigerator may still show that a replacement is needed. You need to reset it manually.
Most LG refrigerators have an Air Filter Reset button on the control panel, either inside the fridge or on the door display. To reset it:
- Locate the Air Filter or Filter Reset button on your control panel
- Press and hold the button for 3 to 5 seconds until the light resets
- The indicator should turn off or change color to confirm the reset
The exact button name and location can vary by model. Check your refrigerator's owner's manual if you are not sure which button to press.
Common Replacement Mistakes to Avoid
Most people replace the LT120F without any problems. But a few common mistakes can cause issues. Here is what to watch out for:
- Buying without checking your refrigerator model. Not all LG fridges use the LT120F. Always confirm your model number first.
- Forgetting to reset the filter light. The light will not turn off on its own. You need to reset it after installing the new filter.
- Install the filter cover loosely. Make sure the cover is fully locked in place. A loose cover means the filter is not seated correctly.
- Waiting too long to replace the old filter. A worn-out filter cannot do its job. Replace it on schedule every 6 months, even if the light has not turned on yet.
- Confusing an air filter with a water filter. These are two different parts. The LT120F is an air filter. It does not filter water. Your water filter is a separate component.
Ready for a Fresher Fridge?
Need a fresh replacement? Shop the LG LT120F air filter replacement today and keep your refrigerator smelling clean.
Shop LG LT120F Filter →Where to Buy Replacement Air Filters
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⭐ Fits Your Fridge (Best Value) Competitive pricing, expert guidance, fast shipping, and quality assurance. |
🧰 Manufacturer Direct Guaranteed compatibility, higher price point, official warranty. |
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🏪 Big Box Stores Immediate availability, limited selection, higher prices. |
🛒 Online Marketplaces Wide selection, variable quality — check certifications carefully. |
What to Look For: Exact model number match · NSF certification · Customer reviews · Return policy · Expiration date
Browse All Refrigerator Air Filters →
Frequently Asked Questions
How often should I replace the LG LT120F air filter?
Replace your LG LT120F refrigerator air filter every six months, or whenever the “Filter” alert light turns on your refrigerator’s control panel.
How do I know if my LG LT120F air filter needs replacing?
You will know it is time when the filter indicator light begins flashing or displays a “Replace Filter” warning. Lingering odors inside your fridge are also a clear sign the filter is saturated.
Can I replace the LG LT120F myself?
Yes. It is a quick, tool-free process that takes only a few minutes.
Does the LT120F filter water?
No. The LG LT120F is an air filter only. It does not filter water. Your water filter is a separate component.
What happens if I do not replace the air filter?
A clogged filter restricts airflow, causing food odors to linger and mix, and food to spoil faster.
Where is the LG refrigerator air filter located?
In most LG refrigerators, the air filter is inside the fresh food compartment at the top-back center, usually inside a circular plastic housing.
How do I reset the LG air filter light?
Press and hold the Air Filter or Fresh Air Filter button on the control panel for 3 seconds until the light resets.
Is LT120F the same as an LG fresh air filter?
Yes. The LT120F is a specific model of the LG Fresh Air Filter.
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