{"product_id":"vivosun-4-inline-exhaust-fan-p4-130-cfm-stepless-speed-control-quiet-energy-efficient-design","title":"VIVOSUN 4\" Inline Exhaust Fan P4 — 130 CFM, Stepless Speed Control \u0026 Quiet Energy-Efficient Design","description":"\u003cp\u003e\u003cstrong\u003eThe VIVOSUN P4 4\" inline fan is a compact, energy-efficient exhaust fan delivering up to 130 CFM with stepless speed control for quiet, reliable ventilation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis inline fan is designed for small to medium ventilation tasks where space, noise and energy use matter. Built with an upgraded EC motor, solid ABS housing and PBT blades, the unit balances strong airflow and long service life while keeping sound levels low. It mounts inline with ducting or on walls and ceilings, making it versatile for grow tents, bathrooms, basements, attics and workshops.\u003c\/p\u003e\n\n\u003ch3\u003eHow much airflow and noise can I expect from this fan?\u003c\/h3\u003e\n\u003cp\u003eThe P4 produces a maximum of 130 CFM, enough to refresh modest enclosed spaces quickly. It operates quietly—around 26 dB(A) at typical speeds—so it won’t dominate the soundscape of a room.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePeak airflow: up to 130 CFM for efficient exhaust\u003c\/li\u003e\n  \u003cli\u003eNoise level: approximately 26 dB(A) at normal operating points\u003c\/li\u003e\n  \u003cli\u003eSuitable for small grow tents, bathrooms, or ventilation boost in utility spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do you control the fan speed and fit it to different setups?\u003c\/h3\u003e\n\u003cp\u003eThe fan ships with a stepless speed controller that gives you fine-grain adjustment from low to high output. Installation options include inline ducting, wall or ceiling mounting using the integrated mounting points, so it adapts to multiple layouts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStepless speed control knob for precise airflow tuning\u003c\/li\u003e\n  \u003cli\u003eFits 4-inch ducting for common ventilation systems\u003c\/li\u003e\n  \u003cli\u003eMountable on walls, ceilings, or inside duct runs for flexible placement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the P4 energy-efficient and durable?\u003c\/h3\u003e\n\u003cp\u003eAn upgraded EC (electronically commutated) motor reduces power draw while maintaining strong torque, extending runtime and lowering operating costs. The fan’s ABS body and PBT blades resist deformation and stand up to regular use in humid or warm environments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEC motor for higher efficiency and longer service life\u003c\/li\u003e\n  \u003cli\u003eABS housing and PBT blades for impact and heat resistance\u003c\/li\u003e\n  \u003cli\u003eWide-voltage adapter plus stall protection for safer operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the fan safe to use in home grow spaces and bathrooms?\u003c\/h3\u003e\n\u003cp\u003eYes—this model incorporates low-voltage features and stall protection to reduce electrical risk and protect the motor. Its quiet operation and reliable airflow make it suitable for moisture-prone environments when paired with appropriate ducting and moisture management.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-voltage safety built into the adapter\u003c\/li\u003e\n  \u003cli\u003eStall protection prevents motor damage under load\u003c\/li\u003e\n  \u003cli\u003eQuiet performance keeps humidity control discreet in living areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The VIVOSUN P4 4\" inline fan is ideal for hobbyist growers, homeowners needing discreet bathroom or basement ventilation, and DIYers who want an efficient, low-noise inline exhaust solution. If you need compact, adjustable airflow with reliable components and easy installation, this fan fits compact duct systems and small-to-medium ventilation demands.\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: Will this fan fit standard 4\" ducting?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the P4 is designed for 4-inch duct connections and mounts inline with typical duct systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I reduce noise with the speed controller?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, lowering the speed via the stepless controller reduces fan noise and energy use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"VIVOSUN","offers":[{"title":"Default Title","offer_id":52909153517880,"sku":"B0DNSXKN4G","price":79.65,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/6799\/6984\/files\/vivosun-p4-front-view.jpg?v=1788569296","url":"https:\/\/kelorix.ca\/products\/vivosun-4-inline-exhaust-fan-p4-130-cfm-stepless-speed-control-quiet-energy-efficient-design","provider":"Kelorix Canada | Shop Home, Electronics, Beauty, Toys \u0026 More","version":"1.0","type":"link"}