4-1/2" I.D. External Flapper

4-1/2" I.D. External Flapper

Part Number: 810-EG-450
  • $19.99
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4-1/2" I.D. External Flapper

These are excellent American-made flaps that will not curl like cheap import copies. These are a must for boats with a very close distance between exhaust ports and the water line Clamp is included.  Sold each.