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SSI Vent Covers - 28101000 - 2-5/8" x 3" Fits 1-1/4" Hole or Thru Hull O.D. SSI Vent Covers - 28102000 - 4" x 4-1/2" Fits 2" Hole or Thru Hull O.D. SSI Vent Covers - 28103000 - 6" x 7" Fits 3" Hole or Thru Hull O.D.
  • “Clamshell” vent covers give a new slant to an old favorite.
  • Unique swept-back styling updates this necessary finishing touch for a sleek contemporary look.
  • White UV-resistant ABS plastic.
  • Durable and strong enough to stand on.

  • “Clamshell” vent covers give a new slant to an old favorite.
  • Unique swept-back styling updates this necessary finishing touch for a sleek contemporary look.
  • White UV-resistant ABS plastic.
  • Durable and strong enough to stand on.

  • “Clamshell” vent covers give a new slant to an old favorite.
  • Unique swept-back styling updates this necessary finishing touch for a sleek contemporary look.
  • White UV-resistant ABS plastic.
  • Durable and strong enough to stand on.

Perko Clam Shell Ventilator TH Marine Clam Shell Vents (2 Pack) Whitecap Midget Ventilators
Click on product image to view and order available models. Click on product image to view and order available models. Click on product image to view and order available models.
Whitecap Clam Shell Ventilators
Click on product image to view and order available models.