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GROCO Backing Block f/2" & 2-1/2" Seacocks BB-3 Viral
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GROCO Backing Block f/2″ & 2-1/2″ Seacocks BB-3 Viral

Original price was: $96.99.Current price is: $48.49.

For orders under $59.00, a shipping fee of $8.99 applies.

SKU: SK0181554-US20251216-084134 Category:
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Backing Block for 2″ & 2-1/2″ Seacocks

Features:

  • Each size fits multiple seacock sizes
  • Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange
  • Rigid 1/2″ thickness provides secure installation but is flexible enough to conform to minor hull curvature
  • Will not swell or absorb moisture
  • Made from an environmentally friendly PVC foam specially formulated for marine applications

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