MM
A heavier bar anode with 9" (225-235mm)
mounting centres. 3/4"bolt holes.
Similar to 120ZB or ZD72B (12Kg.)

Size 462 x 102 x 62mm
Wt 14Kg (13.5Kg. net zinc)
Order Code Z31 . . Price £76.44

Aluminium version
Wt 5.3Kg. (4.8Kg. net)
Order Code Z31A . . Price £36.46

Magnesium anode . . . . . more details
Same shape but with weld-on tabs
Can be bolted if the tabs are drilled (480 to 540mm)
Wt 4.7Kg. (3.9Kg. net)
Order Code Z39M . . Price £58.08