HQRP 2-pack Fresh Air Filter for LG LFX25991ST, LFX28968ST, LFX29927ST, LFX29927SW, LFX29927SB, LFX29945ST, LFX31925ST, LFX31925SW, LFX31925SB Refrigerators + HQRP Coaster HQRP&reg; Fresh Refrigerator Air Filter plus HQRPreg; Coaster; Compatible with LG Fresh Air Filter refrigeration models and Kenmore Elite refrigerators; Replaces LG # LT120F / ADQ73214404 / ADQ73334008 / ADQ73334003; Change filter approximately every 6 months; 2 weeks DOA replacement warranty!