{"product_id":"mammoth-foam-box-fans","title":"Mammoth Foam Box Fans","description":"\u003csection class=\"gh-product-listing\"\u003e\n\u003ch2\u003eMammoth Foam Box Fans — Quiet Extraction Power for Large-Scale Growing\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBest for:\u003c\/strong\u003e Large-scale growers and noise-conscious setups needing serious airflow without the racket\u003c\/p\u003e\n\u003cdiv class=\"gh-our-thoughts\" role=\"note\" aria-label=\"Our thoughts\"\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003eOur thoughts\u003c\/strong\u003e\u003cbr\u003eIf you're running a big grow and noise is a problem, this is the fan you need. Mammoth Foam Box Fans are proper kit — solid, reliable, and they shift enormous amounts of air whilst staying quiet. The foam insulation actually works, the build is bulletproof, and they arrive ready to plug in. One we sell a lot of for serious growers.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eMammoth Foam Box Fans are \u003cstrong\u003ehigh-capacity extraction fans\u003c\/strong\u003e housed in thick, sound-dampening foam insulation. They're designed to move stale air out of large grow rooms whilst keeping noise to a minimum — a combination that separates them from standard box fans. Pre-assembled, moisture-resistant, and ready to run straight out of the box, they're built for growers who need extraction power without the operational footprint.\u003c\/p\u003e\n\u003ch3\u003eHow it compares\u003c\/h3\u003e\n\u003cp\u003eMammoth sits at the premium end of box fan options, but not without reason.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003evs standard wooden box fans:\u003c\/strong\u003e Quieter operation, better moisture protection, lighter weight, professionally pre-assembled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs budget box fans:\u003c\/strong\u003e Substantially reduced noise, superior insulation, longer lifespan in humid environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs inline duct fans:\u003c\/strong\u003e Easier installation, more portable, better suited to tight spaces; inline fans offer more compact ducting but require more setup\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003evs EC fans:\u003c\/strong\u003e Less energy-efficient upfront, but no speed controller required; EC fans are quieter still but cost significantly more\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIn short: you're paying for acoustic engineering and build quality that actually delivers. No assembly guesswork. No moisture damage creeping in.\u003c\/p\u003e\n\u003ch3\u003eUsage guidance\u003c\/h3\u003e\n\u003cp\u003eMammoth Foam Box Fans work as either intake or extraction units, depending on your setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLarge-scale extraction\u003c\/strong\u003e\u003cbr\u003eUse to pull stale air out of your grow room. As a rule of thumb, the air in your space should be fully moved around every 1–3 minutes. Calculate your room volume in cubic metres, multiply by the air changes you need per hour, and match it to the fan's m³\/hr rating.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFresh air intake\u003c\/strong\u003e\u003cbr\u003eMount at the opposite end of the room to your extract fan. This creates positive pressure, removes hotspots, controls humidity, and stops mould and mildew from taking hold.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNoise-sensitive environments\u003c\/strong\u003e\u003cbr\u003eThe foam insulation dampens both motor noise and vibration. Anti-vibration feet come fitted. If further isolation is needed, sit the fan on the included foam base plate rather than hanging it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHumid grow rooms\u003c\/strong\u003e\u003cbr\u003eThe foam construction resists moisture far better than wooden alternatives. Regular cleaning of intake filters recommended to maintain performance.\u003c\/p\u003e\n\u003ch3\u003eTechnical specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAvailable spigot sizes: \u003cstrong\u003e10-inch and 12-inch\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eAirflow capacity: \u003cstrong\u003e2500 m³\/hr to 4250 m³\/hr\u003c\/strong\u003e (depending on model)\u003c\/li\u003e\n\u003cli\u003eHousing material: \u003cstrong\u003eBlack foam panels with thick insulating foam core\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInsulation type: \u003cstrong\u003eFire-resistant, sound-dampening foam\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eInstallation: \u003cstrong\u003ePre-wired, anti-vibration feet fitted\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMounting options: \u003cstrong\u003eSuspended or foam base plate\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePackaging: \u003cstrong\u003ePre-boxed, fully assembled, foam-protected for transport\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: \u003cstrong\u003eLightweight due to foam construction\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWho this is for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge-scale growers running multiple rooms or high-volume setups\u003c\/li\u003e\n\u003cli\u003eNoise-sensitive locations where stealth matters\u003c\/li\u003e\n\u003cli\u003eGrowers in humid environments prone to moisture damage\u003c\/li\u003e\n\u003cli\u003eAnyone replacing wooden box fans and wanting better longevity\u003c\/li\u003e\n\u003cli\u003eProfessional operations where extraction reliability is non-negotiable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBest suited to spaces where \u003cstrong\u003eperformance, quiet operation, and durability all matter equally\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eOur take\u003c\/h3\u003e\n\u003cp\u003eThis is proper extraction kit. The foam insulation works, the airflow is serious, and it arrives ready to go. You're not paying for branding here — you're paying for engineering that lets you scale without waking the neighbours.\u003c\/p\u003e\n\u003cp\u003eIf you're building a large-scale setup or replacing worn fans, worth picking up while stock lasts. Does exactly what it should, day in, day out.\u003c\/p\u003e\n\u003c\/section\u003e","brand":"MAMMOTH","offers":[{"title":"10\" (250mm) - 1500 m3\/hr","offer_id":47915834802346,"sku":"121721","price":254.99,"currency_code":"GBP","in_stock":true},{"title":"10\" (250mm) - 2500 m3\/hr","offer_id":47915834835114,"sku":"121723","price":319.99,"currency_code":"GBP","in_stock":true},{"title":"10\" (250mm) - 3250 m3\/hr","offer_id":47915834867882,"sku":"121724","price":374.99,"currency_code":"GBP","in_stock":true},{"title":"10\" (250mm) - 4250 m3\/hr","offer_id":47915834900650,"sku":"121726","price":389.99,"currency_code":"GBP","in_stock":true},{"title":"12\" (315mm) - 3250 m3\/hr","offer_id":47915834933418,"sku":"121727","price":319.99,"currency_code":"GBP","in_stock":true},{"title":"12\" (315mm) - 4250 m3\/hr","offer_id":47915834966186,"sku":"121728","price":389.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0053\/5540\/5400\/files\/MAMMOTHBOXFAN1.webp?v=1769181924","url":"https:\/\/growershouse.co.uk\/products\/mammoth-foam-box-fans","provider":"Growers House ","version":"1.0","type":"link"}