{"product_id":"lonffery-rv-vent-cover-for-trailers-side-mounted-3-cutout-durable-uv-resistant-plastic","title":"Lonffery RV Vent Cover for Trailers - Side-Mounted 3\" Cutout, Durable UV-Resistant Plastic","description":"\u003cp\u003e\u003cstrong\u003eLonffery RV Vent is a heavy-duty, side-mounted trailer vent cover designed to improve airflow and protect cargo inside RVs, campers, trailers, and truck boxes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eProper ventilation prevents stale air and odors from building up inside enclosed vehicles during travel and storage. The Lonffery side vent installs on a 3\" hole and provides continuous air exchange while resisting road vibration, UV exposure, and weather. Built from durable plastic, it’s a practical, low-maintenance solution for owners who want reliable passive airflow without cutting into interior space or using electrical fans.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this vent improve airflow in my RV or trailer?\u003c\/h3\u003e\n\u003cp\u003eThe Lonffery vent is engineered to sit on the sidewall and promote cross-ventilation by letting fresh air enter and stale air escape naturally while the vehicle is in motion or parked. Its opening dimensions are sized to balance airflow with protection against rain and debris. Proper placement on opposite walls or near cargo areas will enhance circulation throughout the compartment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExternal size: 8\" x 6\" for easy surface mounting\u003c\/li\u003e\n  \u003cli\u003eRequired cutout: 3\" internal hole for correct fit\u003c\/li\u003e\n  \u003cli\u003eOuter\/internal ring diameters ensure steady air passage\u003c\/li\u003e\n  \u003cli\u003ePassive design works without power or moving parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this vent withstand road use and outdoor exposure?\u003c\/h3\u003e\n\u003cp\u003eThis vent is molded from heavy-duty plastic chosen for impact resistance, UV stability, and durability under vibration. It resists cracking, fading, and loosening in typical highway conditions, making it suitable for long-term exterior mounting. The low-profile shape reduces snag points and protects the opening from direct weather exposure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDurable plastic construction built for vehicle environments\u003c\/li\u003e\n  \u003cli\u003eResistant to sun damage and repeated road vibration\u003c\/li\u003e\n  \u003cli\u003eSimple bolted mounting prevents rattling and loosening\u003c\/li\u003e\n  \u003cli\u003eDesigned to block debris while permitting airflow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and which vehicles fit this vent?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: align the vent over a 3\" hole, then fasten with bolts through the flange. No specialized tools or electrical work are necessary, so a handy owner can complete the job in minutes. The design is intentionally universal, suited to RVs, campers, cargo trailers, and many truck box applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMounting method: bolt-on flange for secure attachment\u003c\/li\u003e\n  \u003cli\u003eCompatible with RVs, trailers, campers, and trucks\u003c\/li\u003e\n  \u003cli\u003eInternal diameter: 3\"; outer diameter detail for correct seating\u003c\/li\u003e\n  \u003cli\u003eInstallation requires standard hand tools only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact dimensions and what should I check before buying?\u003c\/h3\u003e\n\u003cp\u003eKnowing the measurements ensures a proper fit and effective sealing. The vent’s faceplate measures 8\" x 6\", the outer internal diameter is 4.125\", and the usable inner opening is 3\". Confirm your side panel can accommodate a 3\" hole and that the vent flange will sit flush on your vehicle’s exterior.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFaceplate: 8\" x 6\" for surface coverage\u003c\/li\u003e\n  \u003cli\u003eOuter inner diameter: 4.125\" for seating\u003c\/li\u003e\n  \u003cli\u003eInner usable opening: 3\" — required cutout size\u003c\/li\u003e\n  \u003cli\u003eVerify wall thickness and clearance before drilling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Lonffery RV Vent is ideal for RV owners, trailer haulers, and tradespeople who need a low-cost, maintenance-free way to introduce continuous fresh air into enclosed vehicle spaces. It suits anyone wanting a durable, passive ventilation upgrade that’s easy to fit on most side panels without electrical components or complex installation.\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: What hole size do I need to install the Lonffery RV Vent?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You need a 3\" diameter cutout for the inner opening; the faceplate measures 8\" x 6\" for mounting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this vent myself without special tools?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The vent is bolt-on and installs with standard hand tools—no electrical work required.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lonffery","offers":[{"title":"Default Title","offer_id":48084384743582,"sku":"B0DNH7B4FZ","price":31.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/lonffery-front-profile-vent-cover.jpg?v=1785852861","url":"https:\/\/northtrailauto.ca\/products\/lonffery-rv-vent-cover-for-trailers-side-mounted-3-cutout-durable-uv-resistant-plastic","provider":"North Trail Auto","version":"1.0","type":"link"}