Marine Boat Cover Air Vent with Protective Hood – ABS V-Groove Ventilation Cap (158×84×65mm)

Key Features & Benefits

• Balances interior/exterior air pressure – Continuous airflow prevents cover ballooning in wind and eliminates the vacuum effect that strains seams and snaps fasteners.
• V-Groove airflow channel (“V型导流槽”) – Precision-engineered V-shaped internal channel directs airflow efficiently while deflecting rain and spray away from the opening.
• 45° angled louver design (“45°倾斜百叶窗”) – The angled slats allow air to pass freely while physically blocking water ingress — no mesh to clog, no foam to saturate.
• ABS + LDPE dual-material construction – Rigid ABS shell provides structural strength and UV resistance; flexible LDPE louvers maintain their shape and seal without cracking in cold weather.
• Reduces mold & mildew – Consistent airflow keeps the under-cover environment dry, protecting upholstery, electronics, and hull surfaces from moisture damage.
• Compact shark-fin profile – Low-profile aerodynamic shape sits flush against the cover, resists wind lift, and won’t snag lines or dock equipment.

Solves These Common Problems

• ❌ Cover balloons and strains in wind → ✅ Pressure-equalizing airflow keeps cover flat and secure
• ❌ Mold and mildew under the cover → ✅ Continuous ventilation keeps interior dry
• ❌ Rain leaks through standard vents → ✅ 45° angled louvers + V-groove deflect water
• ❌ Bulky vents that catch wind or snag gear → ✅ Streamlined 158mm shark-fin profile

Applications

Designed for boat covers, pontoon covers, RV covers, and marine canvas enclosures. Compatible with most fabric and vinyl covers. Ideal for boats stored outdoors or in humid environments where moisture control is critical.

| Note: Manual measurements may vary ±1mm. Sealant recommended for waterproof installation.

• Material: ABS shell + LDPE louvers
• Color: Black
• Net Weight: 33g
• Dimensions: 158mm × 84mm × 65mm
• Vent Opening Width: 62mm
• Louver Angle: 45°
• Airflow Design: V-Groove channel•
• Installation: Adhesive / screw mount (sealant recommended)