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HD56A 0.4 Kg Disc Anode (Replaces ZD56, AD56)
HD56A 0.4 Kg Disc Anode - Aluminum Hull Anode. Replaces ZD56, AD56. Performance Metals Navalloy aluminum anodes are manufactured to the military specification MIL-DTL 24779 and are suitable for use in all water types- salt, brackish or fresh. Made in USA.
HD56A 0.4Kg Disc Aluminum Hull Anode - ZD56, AD56 Replacement 
Performance Metals Navalloy aluminum anodes are manufactured to the military specification MIL-DTL 24779 and are suitable for use in all water types- salt, brackish or fresh.
Weight: 0.9 lbs (0.4 Kg)
(ZEW: 1.0 lbs (0.45 Kg))
Note: ZEW = equivalent weight of zinc anode with same capacity.