General description AlwaysH LG Pure n Fresh Refrigerator Air Filter is an affordable activated carbon air filter designed to replace various LG refrigerator models, including LFX31925SW, LFX31925SB, LFX25991ST, LFX31945ST, LFX329345ST, LFX33975ST, LFX29927ST, LFX29927SW, LFX29927SB, LFX28968ST, LFX29945ST, LFX31935ST, LMX31985ST5ST, and LMX31985ST. This filter effectively reduces odors, keeping your fridge fresh and clean. Technical specifications Type: Activated carbon air filter Replacement frequency: Approximately every 6 months Other information This is a compatible spare part; manufacturers' names and part numbers are for reference purposes only. Measurements may have a manual error of 1-3cm due to differences in light and display. Color differences may occur; please refer to the actual item received.