Water filter for LG LFX31945
LG's own replacement chart lists this filter for refrigerator model LFX31945. Model numbers often have suffixes (for example color codes); match the base model.
Buy the replacement (LT700P)
Never forget the next change. Add your LFX31945 to My house for an email reminder.
FAQ
What water filter does the LG LFX31945 use?
LG's replacement chart lists the LT700P for refrigerator model LFX31945.
How often do I change the filter in my LFX31945?
For the LT700P, LG lists about 6 months / 200 gallons.
Sources
- https://www.lg.com/ca_en/support/product-support/troubleshoot/help-library/cs-CT20098040-20151238808711/
- https://info.nsf.org/Certified/DWTU/Listings.asp?TradeName=LT700P&Standard=
Data checked 2026-10-17. Always confirm the part number printed on your current filter or in your owner's manual.