p strong Backing Block for 3 4 amp 1 Seacocks strong p p strong Features strong p ul li Each size fits multiple seacock sizes li li Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange li li Rigid 1 2 thickness provides secure installation but is flexible enough to conform to minor hull curvature li li Will not swell or absorb moisture li li Made from an environmentally friendly PVC foam specially formulated for marine applications li ul --- cis2 mmxtmJVt --- br
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