{"product_id":"can-rk-fan","title":"Can RK Fan – Circulation Fan for Grow Tents","description":"\u003ch2\u003eAn economic, maintenance-free centrifugal extractor with built-in overheat protection\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eCan RK Fan\u003c\/strong\u003e is a backward-curved centrifugal extractor housed in a resistant, maintenance-free plastic body. It's fully \u003cstrong\u003evoltage controllable\u003c\/strong\u003e, so it pairs with a standard fan speed controller for stepless speed adjustment, and carries a built-in \u003cstrong\u003ethermal switch\u003c\/strong\u003e that shuts the motor down if it starts to overheat, protecting the fan through long grow room duty cycles.\u003c\/p\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage-controllable motor\u003c\/strong\u003e works with any standard fan speed controller for stepless airflow adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal overheat protection\u003c\/strong\u003e built in as standard, switching the motor off before it can be damaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable plastic housing\u003c\/strong\u003e — resistant, maintenance-free, and lighter than an equivalent metal-bodied fan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackward-curved centrifugal design\u003c\/strong\u003e for solid static pressure performance through ducting and filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact range\u003c\/strong\u003e from 100mm up to 250mm, covering small tents through to larger single-room setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAn extractor with no speed control either runs flat-out around the clock or not at all, making it hard to hold steady temperature and humidity as conditions change through the day. The RK Fan's voltage-controllable motor lets it be dialled back at night or in cooler weather and turned up when the room needs it, without switching fans.\u003c\/p\u003e\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eWire through a compatible voltage-based speed controller and set the starting speed to clear the room's air volume several times an hour, adjusting up or down as temperature and humidity dictate. Mount with the airflow arrow pointing away from the room and keep the intake grille clear of dust to avoid tripping the thermal cut-out.\u003c\/p\u003e\n\u003cdiv class=\"hcs-specs\"\u003e\u003cul\u003e\n\u003cli\u003eDesign: backward-curved centrifugal, plastic housing\u003c\/li\u003e\n\u003cli\u003eSpeed control: voltage-controllable\u003c\/li\u003e\n\u003cli\u003eProtection: built-in thermal overheat switch\u003c\/li\u003e\n\u003cli\u003eAirflow range: 240-830 m³\/h\u003c\/li\u003e\n\u003cli\u003eSizes: 100mm-250mm (4\"-10\")\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e","brand":"Can-Fan","offers":[{"title":"4\" (240m3\/hr)","offer_id":53798869565706,"sku":"ENV-CAN2-012-01","price":97.99,"currency_code":"GBP","in_stock":true},{"title":"4\" (270m3\/hr)","offer_id":53798869598474,"sku":"ENV-CAN2-012-02","price":97.99,"currency_code":"GBP","in_stock":true},{"title":"5\" (310m3\/hr)","offer_id":53798869631242,"sku":"ENV-CAN2-012-03","price":97.99,"currency_code":"GBP","in_stock":true},{"title":"5\" (350m3\/hr)","offer_id":53798869664010,"sku":"ENV-CAN2-012-04","price":97.99,"currency_code":"GBP","in_stock":true},{"title":"6\" (470m3\/hr)","offer_id":53798869696778,"sku":"ENV-CAN2-012-05","price":119.49,"currency_code":"GBP","in_stock":true},{"title":"6\" (760m3\/hr)","offer_id":53798869729546,"sku":"ENV-CAN2-012-06","price":132.99,"currency_code":"GBP","in_stock":true},{"title":"8\" (820m3\/hr)","offer_id":53798869762314,"sku":"ENV-CAN2-012-07","price":135.99,"currency_code":"GBP","in_stock":true},{"title":"10\" (830m3\/hr)","offer_id":53798869795082,"sku":"ENV-CAN2-012-08","price":135.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/can-rk-fan-1.jpg?v=1790169365","url":"https:\/\/hydrocropshop.co.uk\/products\/can-rk-fan","provider":"Hydro Crop Shop","version":"1.0","type":"link"}