Mushroom Ventilator
Marine Vent for Nature’s Head® Composting Toilets
Upgrade your marine composting toilet ventilation with the Portos-1 Mushroom Ventilator by Vetus, sold by Nature’s Head. Designed for marine environments, this low-profile deck ventilator serves as the exterior exhaust outlet for Nature’s Head composting toilet vent systems on boats. It allows continuous airflow to safely vent moisture and odors while helping prevent water ingress from spray or rain.
Ideal for sailboats and powerboats, the Portos-1 provides a clean, durable, and proven solution for proper marine ventilation.
Dimensions:
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Overall diameter: ~117 mm (≈ 4-5/8 in)
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Cut-out (hole) diameter: ~85 mm (≈ 3-3/8 in)
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Deck thickness compatibility: ~27 mm – 41 mm (≈ 1.1″ – 1.6″)
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Height above deck: ~31 mm – 45 mm (≈ 1.2″ – 1.8″)
Features:
Marine Deck Ventilation: Functions as an exterior deck or cabin-top ventilator for Nature’s Head composting toilet vent hoses.
Water-Resistant Mushroom Design: Mushroom-shaped cover allows air to escape while helping reduce water ingress in marine conditions.
Low-Profile Construction: Compact, unobtrusive design minimizes deck obstruction and snagging—ideal for boat installations.
Marine-Grade Quality: Manufactured by Vetus, a trusted marine equipment brand known for reliability in harsh environments.
Optimized Compatibility: Commonly used with Nature’s Head composting toilets for marine installations, ensuring proper airflow and performance.
The Vetus Portos-1 Mushroom Ventilator is a simple, effective, and boat-ready solution for venting your Nature’s Head composting toilet—helping keep your onboard living space fresh, dry, and odor-free.