Comparison : Item # TNKLID10-SNY, 10 Inch (in) Threaded Cap
Item # TNKLID06-SNY, 6 Inch (in) Screw on Cap
Item # TNKLIDN08V, 8 Inch (in) Lid Assembly
Item # TNKLID18-SNY, 18 Inch (in) Lid Assembly
Item # TNKLID24-SNY, 24 Inch (in) Lid Assembly