{"product_id":"galvanised-male-duct-coupling","title":"Galvanised Male Duct Coupling – Metal Ducting Joiner","description":"\u003ch2\u003eGalvanised Male Duct Coupling – Joins Two Lengths of Ducting Into One\u003c\/h2\u003e\n\u003cp\u003eDucting always seems to come up half a metre short, or the perfect length gets cut in the wrong place. A \u003cstrong\u003emale duct coupling\u003c\/strong\u003e is the fix: a short galvanised steel sleeve with two male ends. Slide one length of ducting over each end and you've got a single, continuous run, strong, round and leak-free, with no sagging, taped-together overlap.\u003c\/p\u003e\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eExtending grow tent and grow room ducting, repairing a cut or damaged duct, joining two different ducting types (such as Sonoduct to Aluduct), cooker hood and kitchen extract runs, tumble dryer and bathroom vents, and workshop extraction.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMale-to-male joiner: ducting slides over both ends\u003c\/li\u003e\n\u003cli\u003eKeeps the joint rigid and perfectly round\u003c\/li\u003e\n\u003cli\u003eHigh-quality galvanised steel: rigid and corrosion-resistant\u003c\/li\u003e\n\u003cli\u003eAccurately sized for a close, low-leak fit\u003c\/li\u003e\n\u003cli\u003eSix standard sizes from 100mm (4\") to 315mm (12\")\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMale or female?\u003c\/h3\u003e\n\u003cp\u003eUse this \u003cstrong\u003emale\u003c\/strong\u003e coupling to join two lengths of \u003cem\u003eflexible ducting\u003c\/em\u003e. To join two \u003cem\u003emale-ended fittings\u003c\/em\u003e (bends, T pieces, reducers), use our female duct coupling.\u003c\/p\u003e\n\u003ch3\u003eHow to Fit\u003c\/h3\u003e\n\u003cp\u003eSlide a length of ducting over each end, secure each with a ducting clip or jubilee clip, and seal both joins with aluminium foil duct tape.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRose's Pro-Tip:\u003c\/strong\u003e \u003cem\u003e\"Use a coupling to put a short length of acoustic Sonoduct straight after your fan, then switch to cheaper Aluduct for the rest of the run. You get most of the quiet for a fraction of the price.\"\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eSizes\u003c\/h3\u003e\n\u003cp\u003e100mm (4\"), 125mm (5\"), 150mm (6\"), 200mm (8\"), 250mm (10\") and 315mm (12\").\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eBlack Flag Horticulture Ltd, Coventry.\u003c\/em\u003e\u003c\/p\u003e","brand":"Global Air Supplies","offers":[{"title":"100mm (4\")","offer_id":47854618018138,"sku":"MC100","price":3.65,"currency_code":"GBP","in_stock":true},{"title":"125mm (5\")","offer_id":47854620508506,"sku":"MC125","price":3.75,"currency_code":"GBP","in_stock":true},{"title":"150mm (6\")","offer_id":47854625751386,"sku":"MC150","price":4.25,"currency_code":"GBP","in_stock":true},{"title":"200mm (8\")","offer_id":47757463290202,"sku":"MC200","price":4.85,"currency_code":"GBP","in_stock":true},{"title":"250mm (10\")","offer_id":47757463322970,"sku":"MC250","price":5.15,"currency_code":"GBP","in_stock":true},{"title":"315mm (12\")","offer_id":47854628700506,"sku":"MC315","price":5.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0774\/9861\/4106\/files\/1716124937762.jpg?v=1716125087","url":"https:\/\/blackflaghorticulture.com\/sq\/products\/galvanised-male-duct-coupling","provider":"Black Flag Horticulture","version":"1.0","type":"link"}