This black, molded thru-hull washer for 5/8" and 3/4" thru-hull connector is used under head on connector to prevent having messy sealant exposed on finished surfaces.
Physical dimensions are 1 11/16" O.D., 1" I.D. and 3/32" thick.
GASKETS (THW-750, THW-1200, THW-1500)
These tough, closed cell, neoprene gaskets eliminate the need for messy silicone sealant when installing thru-hulls. These gaskets compress flat under the thru hull head to provide a nearly invisible, watertight seal. The material is durable in any environment and impervious to most chemicals. These gaskets will save money over normal sealant and will also save labor time thru easy installation with no clean up.
OEM – Bulk 50/Box
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