Mfr # DS-683F.
Self-adhesive vents are used to create a waterproof vent in a shrink wrap cover. This allows airflow under the cover, which reduces moisture buildup without compromising the integrity of the cover. The top removes effortlessly to make installation easier. The scalloped edges have raised walls that allow for either vertical or horizontal installation.
Features- Protects boat against rain, snow, blowing dirt, insects, bird droppings and debris
- 100 percent Waterproof
- Won't blow off
- Color: Black
- Size: 3.5 x 5 in.
- Material: Plastic