Air Element with Fins Contains: Flame Retardant Media Fits: Nissan Lift Trucks Replaces: Nissan 16546-51H10B O.D.: 5 1/4 (133.4) Fins 6 3/8 (161.9) I.D.: 21/32 (16.7) & 2 27/32 (72.2) Length: 9 1/2 (241.3) A. Gskt.: [1] Attached F. Gskt.: [1] Included