{"product_id":"calvana-rv-vent-covers-2-pack-black-universal-3-side-vent-cover-bolt-on-uv-resistant","title":"Calvana RV Vent Covers 2-Pack Black — Universal 3\" Side Vent Cover, Bolt-On UV-Resistant","description":"\u003cstrong\u003eCalvana 2 Pack RV Vent Covers are exterior-mounted, bolt-on side vents designed to fit pre-cut 3\" openings and improve airflow in trailers, trucks, and cargo enclosures.\u003c\/strong\u003e\n\n\u003cp\u003eIf you need a simple, durable vent solution for a travel trailer, cargo trailer, truck cap or camper van, these two black Calvana side vent covers provide a universal option that installs with basic tools. Each cover has an 8\" × 6\" external footprint and a 3\" inner opening, and the set includes self-tapping screws for a bolt-on installation. Built from heavy-duty plastic, the vents resist UV, vibration, and weather exposure so they keep ventilation consistent while on the road.\u003c\/p\u003e\n\n\u003ch3\u003eWill these vents fit my trailer or truck side panel?\u003c\/h3\u003e\n\u003cp\u003eMeasure the existing cutout: Calvana vents are designed for a 3\" inner diameter opening. The faceplate spans 8\" by 6\", so they cover larger or slightly irregular cutouts and help create a clean external finish.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExternal dimensions: 8\" × 6\" for full coverage and overlap.\u003c\/li\u003e\n  \u003cli\u003eInner opening compatibility: designed for a 3\" pre-cut hole.\u003c\/li\u003e\n  \u003cli\u003eOuter collar diameter: 4.125\" to seat around the panel edge for stability.\u003c\/li\u003e\n  \u003cli\u003eComes as a 2-pack to outfit two locations or keep a spare on hand.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install Calvana vent covers—do I need special tools?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward and intended for DIY use. The vents bolt on with the supplied self-tapping screws, so typical hand tools are sufficient and no specialist equipment is required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBolt-on design with 18 included self-tapping screws per pack for secure mounting.\u003c\/li\u003e\n  \u003cli\u003eRequires a pre-cut 3\" diameter hole in the side panel for the inner collar.\u003c\/li\u003e\n  \u003cli\u003eMounting recommended with basic tools: drill (for pilot holes if desired), screwdriver or drill-driver, and sealant if you want extra weatherproofing.\u003c\/li\u003e\n  \u003cli\u003eInstructions: seat collar through cutout, align faceplate, drive screws evenly to avoid warping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance benefits can I expect after fitting these side vents?\u003c\/h3\u003e\n\u003cp\u003eThese vents are intended to promote continuous airflow in enclosed spaces, helping reduce trapped moisture and stagnant air without altering the vehicle’s structure. They don’t require power and provide passive ventilation that’s effective during travel and storage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves circulation inside trailers, truck boxes, and cargo enclosures.\u003c\/li\u003e\n  \u003cli\u003eHelps limit condensation and reduce musty odors by allowing humid air to escape.\u003c\/li\u003e\n  \u003cli\u003ePassive, maintenance-free operation—no filters or electricity needed.\u003c\/li\u003e\n  \u003cli\u003eDurable plastic resists UV and road vibration for long-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? These Calvana vent covers suit RV owners, contractors, fleet managers, and DIY trailer builders who want a low-cost, long-lasting ventilation upgrade. They work well for anyone with pre-cut 3\" side panel openings who needs a weather-resistant external vent to improve air movement and protect stored cargo or interior spaces from moisture and stale air. The 2-pack format gives you an extra vent for dual installations or a replacement on the go.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need a 3-inch hole to install these vents?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the vent’s inner diameter is designed for a pre-cut 3\" hole; the faceplate covers an 8\"×6\" area for neat installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are mounting screws included with the Calvana vents?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the package includes self-tapping screws for a bolt-on installation, making setup quick with basic tools.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Calvana","offers":[{"title":"Default Title","offer_id":48084464468126,"sku":"B0G2B7RWNP","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/calvana-vent-front-faceplate.jpg?v=1785856295","url":"https:\/\/northtrailauto.ca\/products\/calvana-rv-vent-covers-2-pack-black-universal-3-side-vent-cover-bolt-on-uv-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}