Only one size of anode for the "Burban. Attwood does not require an anode. All the "Burbans 6,10,12,16 gal use the same anode.
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Brenda and John
'14 Ram 3500 MCSB 6.7L HO PullRite 16K S/G, Grey Columbus 320RS Camped '14 - 146 days/'15 - 196 days
USN-EOD(Ret), Master Chief, 30 yrs,
Master Blaster of the Navy