LG LFX21971 Refrigerator Water Filter
Refrigerator · 1 model number covered · 1 water filter
Counter-depth French door, 20.5 cu ft, stainless. LG's 2008 spec sheet, shared with the LFX25971, lists the LT600P water filter. Not the LFX21976 from 2010, which takes the LT700P.
Compatible Refrigerator Water Filters
LT600P / 5231JA2006A / 5231JA2006F
Twist-in · 6 months or 300 gallons, per LG
| LG | LT600P |
| Also sold as | 5231JA2006A |
| Also sold as | 5231JA2006F |
Model Numbers Covered
These are the LG model numbers the source for this page names. Match yours in full, including the letters after the digits.
LFX21971ST
Frequently Asked Questions
What water filter does the LG LFX21971 take?
The LG LFX21971 takes the LG LT600P, also sold as 5231JA2006A, 5231JA2006F. It uses one filter.
Which LG model numbers does this page cover?
LFX21971ST. If your number is not listed, read the full model number from your refrigerator's rating label and search it here.
How often should the LG LFX21971 filter be changed?
The LG LT600P is rated at 6 months or 300 gallons, per LG.