Coil balance replacement.

A quick learner says:
Which replacement part should I purchase?

Only marking is 7r and patent 6378169

Thanks !!
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Emily from SWISCO responded:

Hello there!

Based on what I see here, I recommend the S140-7. Take a look at the specifications and see what you think. 

If you have any questions just let me know! 

Alternate image for S140-7
Alternate image for S140-7

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