Welcome to Defender Canada! 
Seafarer Weathertight Self-Adhesive Shrink Wrap Vent - DS-683
$5.66
Seafarer Weathertight Self-Adhesive Shrink Wrap Vent - DS-683 Item # 882065
Description
Features:
- Rectangular Weathertight Self-Adhesive Shrink Wrap Vent
- Waterproof vent allows airflow under shrink wrap cover to reduce moisture buildup
- Removable top for easy installation
Specifications:
- Size: 4" x 5"
- Color: Black
- Material: Plastic
Calculating the Number of Vents by Boat Length:
- Up to 16 feet - (4) Vents
- 14' to 19' - (4) Vents
- 17' to 24' - (6) Vents
- 25' to 29' - (6) Vents
- 28' to 31' - (8) Vents
- 30' to 38' - (10) Vents
- 44' to 60' - (12) Vents
- 60' Plus - (16) Vents