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What water filter does a LG LSXC22436S take?

Two filters are listed for this model

LT1000P or LT800P

Suppliers disagree about this model, which usually means the fridge changed filter part-way through its production run. Check the number printed on the filter already in your fridge, or on the sticker inside the door, before ordering.

Where to buy LT1000P

FilterSupplierPrice
Refrigerator Filter Fits LG LT1000P ADQ747935 MDJ64… ICEPURE $24.99 View
GlacierFresh GF1000PTM Replacement for LG LT1000P &… GlacierFresh $29.99 View
ICEPURE Refrigerator Water Filter Fits LG LT1000P A… ICEPURE $30.98 View
Waterdrop Replacement for LG LT1000P Refrigerator W… Waterdrop $32.99 View
3-Pack LT1000P, LT1000PC, LT1000P/PC/PCS Water Filt… GlacierFresh $41.97 View
Glacier Fresh GF-1000P Compatible with LT1000P Refr… GlacierFresh $41.97 View
LG ADQ747935, ADQ74793501, MDJ64844601 Replacement… GlacierFresh $41.97 View
Refrigerator Water Filter Fits LT1000P ADQ747935 LT… ICEPURE $42.29 View
Glacier Fresh Replacement for LT1000P, ADQ747935 Re… GlacierFresh $45.99 View
NSF IAPMO 53 Certified GF1000P Filter Replacement f… GlacierFresh $54.98 View
Replacement for LT1000P, LT1000PC, ADQ747935 Refrig… GlacierFresh $54.99 View

Prices were read from each supplier when this page was last built (2026-08-21) and will have moved since.

About this filter

Original manufacturerLG
Sold under8 part numbers
Price range$24.99 – $54.99
Suppliers tracked3 of 5
CertificationNSF/ANSI 42 options available
Replace every6 months, or 200–300 gallons

Other LG models that take LT1000P

See all 153 refrigerators that take LT1000P →

Questions

Where is the model number on my LG refrigerator?
On a sticker inside the fridge compartment — usually on a side wall, on the ceiling, or on the frame behind the crisper drawers. It is not the number on the front of the door.
How often should I replace it?
Every six months, or sooner if the flow drops or the water starts tasting of chlorine again. Most fridges track this themselves and turn on a filter light.
Do I have to buy the manufacturer's own filter?
No. Aftermarket filters that carry NSF/ANSI 42 certification are tested to the same contaminant-reduction standard and typically cost half as much. Uncertified filters are not worth the saving.
How do you know LT1000P fits this model?
GlacierFresh publishes a compatibility list naming LSXC22436S for this filter. Only one of the suppliers we track lists this model, so it is worth confirming against the filter currently in your fridge. How we build this.