5/8” o.d. options ( tube wall thickness / return bend thickness ) ( .020” / .028” ) ( .025” / .035” ) ( .035” / .049” ) and ( .049” / .049” ). Tubes are centered on 1.50” in the tube face and 1.299” between rows.
½” o.d. options ( tube wall thickness / return bend thickness ) ( .017” / .025” ) ( .025” / .025” ). Tubes are centered on 1.25” in the tube face and 1.083” between rows.
Rows available are 1,2,3,4,5,6,8,10 and 12.