Type: Air Filter Material: Cotton, Carbon, Plastic. Dimensions: 81 x 81 x 9 mm. Package Content: 3 pieces. Filter Life (Months): 6 months. Applicable Models Affordable replacement activated carbon air filter for LFX31925SW, LFX31925SB, LFX25991ST, LFX31945ST, LFX329345ST, LFX33975ST, LFX29927ST, LFX29927SW, LFX29927SB, LFX28968ST, LFX29945ST, LFX31935ST, LMX31985ST, LMX31985... Reduce Odors Filter out natural odors and flavors from the air inside your refrigerator prevents cross-contamination of flavors, especially from meats to vegetables. Purifying the air in your refrigerator helps preserve the true flavor of your food. Environmental Protection - Carbon Filter The refrigerator freezer air purifier filter is made of multiple layers of activated carbon filter material, the activated carbon layer has the highest pollutant retention rate and is 20 times more effective than baking soda, keeping your refrigerator fresh by reducing odors. Replacement Frequency A sufficient quantity allows