If the 50mm spacer is required for surface mount installation of the Euro Stopper, it is advised to purchase the flush version (15010ML or 15020ML) and then the 50mm spacer separately.

STI-6507
If the 50mm spacer is required for surface mount installation of the Euro Stopper, it is advised to purchase the flush version (15010ML or 15020ML) and then the 50mm spacer separately.
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