Since 1981 PYI Inc.
PSS shaft seals, the world's largest-selling marine mechanical seals, are installed as standard equipment by many of the world's most well-known shipyards and shipyards.
PSS shaft seals are also considered the preferred retrofit seals on the market.
Helps eliminate bilge water (100% waterproof) and prevent wear on the stern shaft.
It can be easily modified and is suitable for 3/4" to 6" (20mm to 150mm) shafts.

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