20 Inch x 12.5 Inch A-ir P-urification Pre Filter 203369 Fit for F50F F300E Series Replaces F50F1057 F50E1349 F50E1331 F50E1067 F50A1116 F50F1040, 4 Pcs

["Filtration Performance: Effectively filters dust, pollen, pet hair, and larger particles, providing you with a comfortable environment","Prolongs Main Unit Life: Helps prevent faster wear on the primary internal part, offering long-term value","Washable & Reusable: Durable material can be easily cleaned with water and reused multiple times","Compatible Models: Fit for F50F F300E series Fit for F300E1035 F300A2025 F50F1065 F58F1000 F300A2012 F300B2012 F50F1040 F50F1057 Fit for F300E F300A F50F F58F. Notice: It Cannot Install Fit for F50A or F50E Series Replaces F50F1057 F50E1349 F50E1331 F50E1067 F50A1116 F50F1040","Perfect Size Match: Measures exactly 20x12.5 inches for a seamless fit in compatible systems"]