All Categories > Stock Designs > Cabin Heat > Advanced Search Advanced Search in Cabin Heat Unit of Measure Imperial Metric Both Specifications Tube Type Copper Tubes Copper-Nickel Tubes Area (inĀ²) No Preference 1067 1300 1540 1779 2016 2372 2976 3677 4378 468 600 735 868 Size No Preference 3 x 10 3 x 12 3 x 14 3 x 16 4 x 12 4 x 14 4 x 16 4 x 18 4 x 20 4 x 23 5 x 20 5 x 24 5 x 28 Diameter 3 1/8 4 1/8 5 1/8 Length No Preference 10 12 14 16 18 20 23 24 28 Clear Cancel Advanced Search