Flygrow product range covers 19 different type of coil pattern. You can find all the details of fin geometries in the below table
GEOMETRY FIN SPACING
21,00 mm x 12,70 mm 7,00 mm 1,2....4,2 mm
19,05 mm x 16,50 mm 7,00 mm 1,2....4,2 mm
25,00 mm x 21,65 mm 7,00 mm 1,6....6,0 mm
25,00 mm x 12,50 mm 3/8" (9,52 mm) 1,4....4,2 mm
25,40 mm x 15,875 mm 3/8" (9,52 mm) 1,5....4,5 mm
25,00 mm x 19,00 mm 3/8" (9,52 mm) 1,2....4,2...