Descriptions: Air Element with Fins Contains: Flame Retardant Media O.D.: 4 1/8 (104.8) Fins 5 1/8 (130.2) I.D.: 25/32 (19.8) & 2 1/2 (63.5) Length: 10 3/8 (263.5) A. Gskt.: [1] Attached F. Gskt.: [1] Metal Washer Related to: PA1690-FN (Standard Media) UPC: 791440081130