Water filter for LG LFD21870
LG's own replacement chart lists this filter for refrigerator model LFD21870. Model numbers often have suffixes (for example color codes); match the base model.
Buy the replacement (LT600P)
Never forget the next change. Add your LFD21870 to My house for an email reminder.
FAQ
What water filter does the LG LFD21870 use?
LG's replacement chart lists the LT600P for refrigerator model LFD21870.
How often do I change the filter in my LFD21870?
Follow your owner's manual; NSF lists LT600P at 300 gallons rated capacity.
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=LT600P&Standard=
Data checked 2026-10-17. Always confirm the part number printed on your current filter or in your owner's manual.