LG water filter with packaging on a white background

LG LFX28978ST Water Filter

1 Pack
$33.89 USD $49.99 USD
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LG water filter with packaging on a white background
  • LG water filter with packaging on a white background
  • LG LFX28978ST refrigerator with water filter on a light blue background
  • LG water filter cartridge on a white background
  • White water filter cartridge with text on a white background
  • Comparison of an old and new LG refrigerator water filter packaging on a blue and green background.
LG LFX28978ST Water Filter

LG LFX28978ST Water Filter

Your LG 27.6 cu. ft 3 French Door refrigerator Model LFX28978 (SB / ST / SW) use the LT700P replacement filter.
$49.99 USD $33.89 USD
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Your LG LFX28978ST water filter replacement is one of those small things that quietly keeps everything working right. It’s made for models like LFX28978ST 01 and 02, so it fits properly. No forcing, no loose setup. Just slides in and does its job.

It helps reduce chlorine taste and odor, along with the usual impurities that affect how your water looks and tastes. You don’t always notice it… but when the filter gets old, the difference shows up fast.

Installation is simple. Twist, lock, done. No tools needed. And yeah, it’s NSF 42 and 53 certified, so it’s actually filtering what it should. Replace it about every 6 months. Keeps the flow steady. Keeps the ice clear. Easy habit, but worth it.
LG LFX28978ST refrigerator with water filter on a light blue background

Key Features

  • Perfect Fit : Compatible with LG LFX28978 (SB / ST / SW)
  • Revision: Fits revision numbers including LFX28978ST 01, LFX28978ST 02
  • OEM Part Reference Included: Uses the known part reference lg cartridge ADQ36006101 for easy matching.
  • Cleaner Taste: Helps reduce chlorine taste and odor for better water and ice.
  • Filters Common Impurities: Designed to trap typical sediment and particles found in household water.
  • Quick Twist-In Install: Water Filter for LG Refrigerator LFX28978ST series steps fast and tool-free.
  • Supports Steady Flow: Helps prevent slow dispensing caused by an old, clogged filter.
  • 6-Month Replacement Cycle: Recommended replacement interval is about 6 months (varies by usage and water quality).

Specifications

  • Brand: LG
  • Filter Model: LG LT700P
  • Part No.: ADQ36006101, ADQ36006113, ADQ75795103, or AGF80300702
  • Compatible refrigerator models: LFX28978 (SB / ST / SW)
  • Filter Type: Refrigerator Water Filter Cartridge
  • Dimensions: 1.9"D x 1.9"W x 7.1"H
  • Material: BPA-free, high-quality filtration media
  • Cartridge Weight: 0.3 Pounds
  • Flow Rate: 0.5 gallons per minute
  • Pressure Range: 20 – 120 psi
  • Temperature Range: 33 – 100°F
  • Filter Life: 6 months or 200 gallons
  • Certifications: NSF 42 and 53

Our Replacement Water Filters Are NSF Certified To Reduce 99% Contaminants

Hg
Chlorine
Cl
Mercury
Pb
Lead
Pesticides
Herbicides
Pharmaceuticals

See which water and air filters are compatible with your refrigerator.

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When to Replace Your Water Filter

Person marking calendar in kitchen

Every 6 Months or 200 Gallons

Most refrigerator water filters are designed to last approximately 6 months or filter up to 200 gallons of water — whichever comes first.

Fridge control panel

When Your Fridge Displays a Filter Alert

Modern LG, Samsung, Whirlpool, and Frigidaire refrigerators have built-in filter indicators that notify you when it's time for a replacement.

Person sniffing water with concern

Changes in Taste, Odor, or Flow

A drop in water pressure, an unusual taste, or an off smell from your dispenser are clear signs your filter is overdue for a change.

Compatible Model Numbers

Compatible with LFX28978 Series

  • LFX28978SB
  • LFX28978ST
  • LFX28978SW

Frequently Asked Questions

Q: How do I know what filter I need for my LG refrigerator?
Open the filter compartment and look at the label on the cartridge. It will usually say LT1000P / LT700P / LT800P (or another LT code).✅ If it says LT700P, buy LT700P. Same logic for LT800P and LT1000P.

Q: Which filter does LG LFX28978ST use?
Models in the LFX28978ST series use LT700P water filter designed for this housing type. Always confirm your exact model and revision number inside the refrigerator.

Q: Is ADQ36006101 the same as LT700P?
Yes. LG cartridge ADQ36006101 is commonly used as the part reference for the LT700P filter.

Q: How to replace LG LFX28978ST water filter

  • Locate the filter compartment inside the refrigerator.
  • Twist the old cartridge counterclockwise and remove it.
  • Insert the new LT700P filter.
  • Twist clockwise until it locks securely.
  • Flush water for several minutes.
  • Reset the filter indicator (varies by model).

Q: Is this the correct LFX28978ST 01 water filter?
Yes, this filter is designed to fit the LFX28978ST 01 revision

Q: Will it fit LFX28978ST 02 water filter housing?
Yes, it fits the same style housing used by the LFX28978ST 02 model.

Q: I have LG LFX28978SB. Will this work?
Yes, this filter is compatible with LG LFX28978SB and other finish variations in the series.

Q: How often should I replace LFX28978ST filter?
Replace every 6 months or when water flow decreases.

Q: Does this improve ice quality?
Yes. Regular replacement helps maintain clearer, fresher ice.

Q: How do I confirm my revision number?
Check the model label inside the refrigerator. It will show 01, 02 at the end.

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