1
Locate the filter
Open the fresh-food compartment; check the housing listed for your model.
MODEL-SPECIFIC ANSWER
LG LNXS30996D Water Filter
This refrigerator uses the LG LT800P water filter. See its equivalent part numbers and filter options below.
COMPATIBLE FILTER
LG LT800P
OEM part
Also sold as LT800P
Replace every 6 months / ~200 gallons
QUICK REPLACEMENT GUIDE
Change it in five simple steps.
Consult your refrigerator manual for the exact removal method and reset sequence.
2
Turn and remove
Rotate the old cartridge counterclockwise and pull it out.
3
Prepare the new one
Remove its packaging and protective caps.
4
Install and flush
Insert, turn to lock, then flush water per your manual.
5
Reset the light
Use the control panel to reset the filter indicator.
WILL IT FIT?
Common questions.
Does LT800P fit LNXS30996D?
This model page maps LNXS30996D to the LG LT800P filter. Confirm the exact suffix and your official manual before purchase.
Can I use a third-party filter?
Check that the exact alternative SKU lists your refrigerator model as compatible. Review its current independent certification listing for the claims that matter to you.
How often should I replace it?
The replacement interval is 6 months or about 200 gallons. Replace sooner if flow slows or your manual advises it.
Will a new filter reset the indicator automatically?
Usually you must reset the indicator using the refrigerator controls. Follow the instructions in your model’s manual.
Source and verification
LG InstaView ThinQ™ Refrigerator (LNXS30996D) | LG USA · last checked 2026-10-24. Review the official document for installation and part identification.
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