Item Tag: 20"L x 4"W x 16"Th

Genuine OEM Replacement Media Filter Fc100A-1003(16X20X4)

Fits Models: F25, F35, F100, F150E. Also Fits: F100F2028, F100F1004, F100B1008, F150E1000. (FC200E-1003). Also Replaces Lennox X0582.