For F200TXR, XA, F225/F250/F300 4-Stroke – All Models.
Diameter: 4″
Mounting Hole: M10 x 1.25mm threads.
EMP Aluminum anodes conform to Mil-Spec A-24779(SH)

also crosses with:
Canada Metals CM61A4537100A
Performance Metals 00180A
GLM 12842
Technoseal 01124AL
Camp 61A45371
Reliance AMD-61A-45371-00