{"product_id":"ac-infinity-flexible-four-layer-ducting","title":"AC Infinity Flexible Four-Layer Ducting – For Inline Fans","description":"\u003ch2\u003eTough, Leak-Resistant Ducting That Holds Its Airflow\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAC Infinity Flexible Four-Layer Ducting\u003c\/strong\u003e connects inline fans, carbon filters and outlets in a grow tent or grow room without the tears and air leaks that plague thin single-layer foil duct. Two layers of \u003cstrong\u003eflame-resistant aluminium foil\u003c\/strong\u003e line the inside, two layers of \u003cstrong\u003ePVC thermoplastic\u003c\/strong\u003e protect the outside from cuts and snags, and a \u003cstrong\u003espiral steel wire\u003c\/strong\u003e keeps the tube round through bends so the fan is not fighting a crushed or kinked run. Each length comes with \u003cstrong\u003etwo stainless steel duct clamps\u003c\/strong\u003e in the matching size, and the tube can be cut down to fit.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-layer wall\u003c\/strong\u003e — dual aluminium foil inside, dual PVC outside, far harder to tear or puncture than bare foil duct\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFewer leaks, better airflow\u003c\/strong\u003e — the sealed wall keeps extracted air (and odour) inside the duct all the way to the outlet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpiral steel-wire frame\u003c\/strong\u003e — flexes round corners and into tight spaces while holding its shape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamps included\u003c\/strong\u003e — two stainless steel clamps, tightened with a Phillips screwdriver\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut to length\u003c\/strong\u003e — 7.6 m (25 ft) of duct that shortens to suit any layout\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlan the route:\u003c\/strong\u003e keep the run as short and straight as you can; every tight bend costs airflow and adds noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut to length:\u003c\/strong\u003e slice through the PVC and foil with a sharp knife, snip the steel wire with side cutters, then tape the cut edge with foil tape.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect:\u003c\/strong\u003e slide the duct over the fan, filter or vent spigot, fit a clamp and tighten it with a Phillips screwdriver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStretch it out:\u003c\/strong\u003e run the duct at full extension; bunched sections create turbulence that reduces the fan's real airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport long runs:\u003c\/strong\u003e hang the duct from the tent frame or ceiling so it does not sag between the fan and the outlet.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModels:\u003c\/strong\u003e AI-DTA8 — 200mm (8 in) · AI-DTA10 — 250mm (10 in) · AI-DTA12 — 305mm (12 in), each 7.6 m (25 ft)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDuct size (bore):\u003c\/strong\u003e 20.3 cm \/ 8 in · 25.4 cm \/ 10 in · 30.5 cm \/ 12 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter diameter:\u003c\/strong\u003e 32.3 cm (12.72 in) on the 305mm (12 in)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 7.6 m (25 ft), can be cut shorter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInner layers:\u003c\/strong\u003e dual aluminium foil, flame resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOuter layers:\u003c\/strong\u003e dual PVC thermoplastic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructure:\u003c\/strong\u003e spiral steel wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e 2 x stainless steel duct clamps, matching size, Phillips-screw tightened\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUses:\u003c\/strong\u003e grow tent and grow room extraction and intake, HVAC, cupboard and equipment cooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cdiv class=\"hcs-faq\"\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eWill the 305mm (12 in) ducting fit a 315mm fan?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eIt is a true 12-inch duct with a 30.5 cm bore, the duct size AC Infinity use on their 12-inch Cloudline S12 and T12 fans. Many metric fans and filters have 315mm spigots, about 1 cm wider, so measure your spigot before you order.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eCan I cut it to a shorter length?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes. Cut through the PVC and foil layers with a sharp knife, snip the spiral wire with side cutters, and wrap the cut edge with foil tape so it cannot fray or scratch.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;padding:12px 16px;margin:0 0 8px;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;\"\u003eAre the clamps included?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes, two stainless steel duct clamps in the same size as the ducting come with each length — enough for one fan or filter connection at each end.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\u003ch3\u003eWorks Well With\u003c\/h3\u003e\u003cdiv class=\"hcs-related\" style=\"display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;\"\u003e\n\u003ca href=\"\/products\/ac-infinity-cloudline-pro-s-series-inline-fan\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/Cloudline_Pro_S4_1_70ed1799-172d-4f92-9f21-39f08c53cb94.jpg?v=1784653064\u0026amp;width=160\" alt=\"AC Infinity Cloudline PRO S-Series Inline Fan\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eAC Infinity Cloudline PRO S-Series Inline Fan\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eEC inline fan to drive the run\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\u003ca href=\"\/products\/heat-resistant-silver-duct-tape\" style=\"flex:1 1 240px;display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid #e6e6e6;border-radius:8px;text-decoration:none;color:inherit;background:#fff;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/Silver-Heat-Resistant-Duct-Tape-2-medium_landscape.jpg?v=1746904799\u0026amp;width=160\" alt=\"Heat Resistant Duct Tape\" width=\"64\" height=\"64\" loading=\"lazy\" style=\"width:64px;height:64px;object-fit:contain;flex:none;\"\u003e\u003cspan style=\"font-size:14px;line-height:1.4;\"\u003e\u003cstrong style=\"display:block;\"\u003eHeat Resistant Duct Tape\u003c\/strong\u003e\u003cspan style=\"color:#008d37;\"\u003eSeals joints and cut ends airtight\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e","brand":"AC Infinity","offers":[{"title":"200mm (8 in) \/ 7.6m (25 ft)","offer_id":53931173478666,"sku":"ENV-ACIN-055-01","price":38.95,"currency_code":"GBP","in_stock":true},{"title":"250mm (10 in) \/ 7.6m (25 ft)","offer_id":53931173511434,"sku":"ENV-ACIN-055-02","price":47.95,"currency_code":"GBP","in_stock":true},{"title":"305mm (12 in) \/ 7.6m (25 ft)","offer_id":53931173544202,"sku":"ENV-ACIN-055-03","price":57.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/ac-infinity-flexible-four-layer-ducting-305mm-12-in-7-6m-25-ft-1.jpg?v=1792305032","url":"https:\/\/hydrocropshop.co.uk\/products\/ac-infinity-flexible-four-layer-ducting","provider":"Hydro Crop Shop","version":"1.0","type":"link"}