LG water filter with packaging on a white background

LG Refrigerator LFX25978ST (SB/SW) 00/01 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 refrigerator models with a 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 water filter LT700P with LG refrigerators in the background
LG Refrigerator LFX25978ST (SB/SW) 00/01 Water Filter

LG Refrigerator LFX25978ST (SB/SW) 00/01 Water Filter

Your LG 24.9 cu. ft. 3-Door French Door Refrigerator Model LFX25978ST, LFX25978SB, LFX25978SW (00/01) uses the LT700P replacement filter.
$49.99 USD $33.89 USD
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Your LG LFX25978ST water filter employs an LT700P-compatible water filter to make things easier - cleaner water, better taste, and clearer ice. It works with models like **LFX25978ST, LFX25978SB, and LFX25978SW**, including the 00 and 01 versions, with no problems.

It helps get rid of common pollutants, sediment, and the taste of chlorine. And yes, it is NSF 42 and 53 certified, so it really does what it says it will do. You don't think about it much until the water starts to taste bad.

It doesn't take long to install. Twist, lock, and you're done. No tools. After that, just flush it for a while.Change it out every six months. You can easily ignore it, but you'll notice when you do.
LG refrigerator models with a water filter on a light blue background

Key Features

  • Perfect Fit : Built specifically for LG LFX25978ST, LFX25978SB, and LFX25978SW series refrigerators.
  • 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 LFX25978ST 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
  • 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 LFX25978ST Series

Designed for:

  • LFX25978ST
  • LFX25978SB
  • LFX25978SW
  • 00 & 01 revisions

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

Q: Which filter does LG refrigerator LFX25978ST use?
Models LFX25978ST, LFX25978SB, and LFX25978SW (00/01) use the LT700P replacement filter.

Q: Is this the correct LFX25978ST 00 water filter?
Yes. The LT700P is the compatible filter for both 00 and 01 revisions.

Q: How to replace LG LFX25978ST (SB/SW) 00/01 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: How often should I replace the 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 00 or 01 at the end.

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