{"product_id":"nicro-day-night-solar-vent-4-stainless-steel","title":"Nicro Day\/Night Solar Vent 4\" – Stainless Steel","description":"\u003ch2\u003eNicro Day\/Night Solar Vent 4\" – Stainless Steel\u003c\/h2\u003e\u003cp\u003eA premium solar-powered marine vent that runs day and night — no wiring, no shore power, no hassle. The 4\" Nicro Day\/Night Solar Vent moves over 1,000 cubic feet of air per hour (24,000 cubic feet per day), making it one of the most effective passive-replacement ventilation solutions available for enclosed boat cabins. The stainless steel body is built for long-term marine durability and suits dark-trimmed or offshore-style boats.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMoves over 1,000 cubic feet of air per hour — 24,000 cubic feet per day\u003c\/li\u003e\n\u003cli\u003eSolar-powered with rechargeable NiMh battery — operates for up to 24 hours without sunlight\u003c\/li\u003e\n\u003cli\u003eNo wiring required — completely self-contained installation\u003c\/li\u003e\n\u003cli\u003eStainless steel body — corrosion-resistant and built for long-term marine use\u003c\/li\u003e\n\u003cli\u003eWhisper-quiet operation — suitable for sleeping cabins and live-aboard use\u003c\/li\u003e\n\u003cli\u003eBuilt-in on\/off fan switch, LED cabin lights, and intake\/exhaust direction switch — all accessible from inside the cabin\u003c\/li\u003e\n\u003cli\u003eComplete air and green water shut-off from below for rough weather\u003c\/li\u003e\n\u003cli\u003eThreads into the included deck plate and is removable from outside without tools\u003c\/li\u003e\n\u003cli\u003eReplaces Nicro 4\" snap-in deck plates and Day\/Night Plus models (fits existing holes once snap-in plates are removed)\u003c\/li\u003e\n\u003cli\u003eIncludes white plastic interior trim ring, insect screen, mounting hardware, and installation manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eParts Desk Insights\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBest use case:\u003c\/strong\u003e The 4\" model is the right choice when maximum airflow is the priority — it moves significantly more air than the 3\" version, making it better suited to larger cabins, saloons, and engine compartments where ventilation demand is high. Like the 3\" model, it’s ideal for boats left on a mooring or at anchor for extended periods where continuous moisture control matters. The stainless steel body is the preferred finish for offshore boats and dark-trimmed vessels. For the white body version of this 4\" vent, see the \u003ca href=\"\/products\/nicro-day-night-solar-vent-4-white\"\u003eNicro Day\/Night Solar Vent 4\" – White\u003c\/a\u003e. For the smaller 3\" versions, see the \u003ca href=\"\/products\/nicro-day-night-solar-vent-3-stainless-steel\"\u003eNicro Day\/Night Solar Vent 3\" – Stainless Steel\u003c\/a\u003e or the \u003ca href=\"\/products\/nicro-day-night-solar-vent-3-white\"\u003e3\" White\u003c\/a\u003e. For passive low-profile vent options, see the \u003ca href=\"\/products\/attwood-deluxe-low-profile-pvc-cowl-vent-white-red\"\u003eAttwood Deluxe Low-Profile Cowl Vent\u003c\/a\u003e.\u003c\/p\u003e","brand":"LNS","offers":[{"title":"Default Title","offer_id":51199413682212,"sku":"69-N20804S","price":509.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/69-N20804W_548cb78d-406b-4b21-aa19-4fe35f557f34.jpg?v=1785604941","url":"https:\/\/marisolmarine.com\/products\/nicro-day-night-solar-vent-4-stainless-steel","provider":"Marisol Marine Company","version":"1.0","type":"link"}