HQRP Pack of 3 Fresh Air Filters for LG LFX31935ST, LFX31945ST, LFX31995ST, LFX329345ST, LFX33975ST, LFXS30766S, LMX30995ST, LMX31985ST, LSC22991ST, LSFD2591ST 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!