{"product_id":"airwise-semi-rigid-aluminium-duct-160mm-3m","title":"Airwise Semi-Rigid Aluminium Duct 160mm 3m","description":"\u003c!-- SEO Product Name: Airwise AWSR160X3 Semi-Rigid Aluminium Duct 160mm 3m --\u003e\n\u003cdiv style=\"font-size:16px;font-family:Arial,sans-serif;color:#222;max-width:900px;margin:0 auto;line-height:1.6;\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eAirwise AWSR160X3\u003c\/strong\u003e is a \u003cstrong\u003e160mm diameter, 3-metre length of semi-rigid aluminium ventilation duct\u003c\/strong\u003e. The 160mm bore makes it the companion flexible connection piece for MVHR main distribution spigots, solar air heating runs, and other \u003cstrong\u003e160mm ventilation systems\u003c\/strong\u003e where rigid duct cannot navigate a particular obstacle. Like the 150mm version, it is \u003cstrong\u003econsiderably stronger and more crush-resistant than standard aluminium foil flex\u003c\/strong\u003e, holds any bend formed by hand, and has a smooth seamless inner bore for low pressure drop. Supplied compressed to 0.6m for easy site handling, extending to 3m on installation.\u003c\/p\u003e\n\n\u003cdiv style=\"background:#e6f4f3;border:1px solid #c8e6e3;border-radius:6px;padding:10px 14px;margin:0 0 18px;font-size:.88em;color:#444;\"\u003e\n\u003cstrong style=\"color:#005c54;\"\u003eAbout Airwise:\u003c\/strong\u003e A leading UK and Ireland ventilation products supplier based in Tetbury, Gloucestershire — known for quality, integrity, and competitive pricing across the full spectrum of ventilation ducting, valves, and accessories.\u003c\/div\u003e\n\n\u003cdiv style=\"display:flex;flex-wrap:wrap;justify-content:space-around;background:#e6f4f3;border-radius:6px;padding:8px 4px;margin:18px 0;\"\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003e160mm\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eInternal Diameter\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003e3m\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eExtended Length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003e0.6m\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eCompressed Length\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003eAluminium\/Polyester\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eConstruction\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align:center;padding:12px 8px;\"\u003e\n\u003cdiv style=\"font-size:1.5em;font-weight:800;color:#008377;\"\u003eHand-Bendable\u003c\/div\u003e\n\u003cdiv style=\"font-size:.82em;color:#444;margin-top:2px;\"\u003eShape-Retaining\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#e6f4f3;border-left:4px solid #005c54;padding:12px 16px;margin:14px 0;border-radius:0 4px 4px 0;font-size:.95em;\"\u003e\n\u003cstrong\u003e160mm System Compatibility:\u003c\/strong\u003e The 160mm bore matches the spigot size of many \u003cstrong\u003eMVHR units, Verplas Self-Seal Thermal Ducting runs, and solar air heating distribution systems\u003c\/strong\u003e. The AWSR160X3 provides a flexible, hand-formable aluminium connection at this diameter — ideal for navigating building structure obstacles within an otherwise rigid 160mm duct system.\u003c\/div\u003e\n\u003cdiv style=\"background:#fff8e1;border-left:4px solid #c77a00;padding:12px 16px;margin:14px 0;border-radius:0 4px 4px 0;font-size:.95em;\"\u003e\n\u003cstrong\u003eNon-Insulated — Cold Spaces:\u003c\/strong\u003e The AWSR160X3 is \u003cstrong\u003enot thermally insulated\u003c\/strong\u003e. In cold loft voids or roof spaces where the duct surface could fall below the dew point of the airstream, use insulated flexible duct or thermally insulated rigid duct (such as the Verplas EPS thermal range) for these sections. If semi-rigid must be used in cold spaces, wrap with duct lagging after installation.\u003c\/div\u003e\n\n\u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;margin:28px 0 16px;border-radius:4px;font-size:1.05em;font-weight:700;letter-spacing:.3px;\"\u003eKey Features\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin:16px 0;\"\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003e160mm Bore — MVHR Compatible\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eThe 160mm internal diameter matches the main spigot size of many UK MVHR units and distribution systems, making this the \u003cstrong\u003ecorrect semi-rigid connection at the MVHR unit itself\u003c\/strong\u003e for vibration isolation and minor positional adjustment.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eStronger Than Standard Foil Flex\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eAluminium\/polyester laminate construction is \u003cstrong\u003esignificantly more rigid and crush-resistant than plain single-layer foil duct\u003c\/strong\u003e, holding its circular cross-section under normal installation loads and subsequent building activity.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003ePermanent Bend Retention\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eThe body can be \u003cstrong\u003ebent by hand to navigate joists, beams, and rafters\u003c\/strong\u003e — holding the formed shape without springs back, allowing the duct to follow a fixed path cleanly through structural elements.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eSmooth Seamless Inner Bore\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eThe seamless aluminium inner surface minimises turbulence, keeping \u003cstrong\u003epressure drop lower per metre than corrugated flexible duct\u003c\/strong\u003e — important in 160mm MVHR systems where the main unit static pressure is carefully balanced.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eCompressed for Easy Handling\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003e3m extended length compresses to just 0.6m — \u003cstrong\u003eeasy to carry up loft ladders, through hatches, and into confined installation spaces\u003c\/strong\u003e without the handling difficulties of full-length rigid pipe.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f0faf9;border:1px solid #c8e6e3;border-radius:6px;padding:16px 18px;\"\u003e\n\u003cdiv style=\"font-weight:700;color:#008377;text-decoration:underline;margin-bottom:8px;\"\u003eTool-Free Installation\u003c\/div\u003e\n\u003cdiv style=\"font-size:.92em;color:#333;\"\u003eCut to any length with \u003cstrong\u003etin snips, a hacksaw, or a utility knife\u003c\/strong\u003e. Connect to 160mm spigots with worm drive clips. No specialist tools or pipe-cutting equipment required.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;margin:28px 0 16px;border-radius:4px;font-size:1.05em;font-weight:700;letter-spacing:.3px;\"\u003eSpecifications\u003c\/div\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:.92em;margin:16px 0;\"\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eSKU\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eAWSR160X3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eAirwise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003e160 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eExtended Length\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003e3,000 mm (3 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eCompressed Length\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eApprox. 600 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eConstruction Material\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eAluminium \/ polyester laminate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eInner Surface\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eSmooth, seamless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eColour\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eSilver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eCompatible Systems\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003e160mm round duct, MVHR main spigots, solar air heating 160mm distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:9px 12px;font-weight:600;color:#333;width:45%;border-bottom:1px solid #ddd;\"\u003eTypical Applications\u003c\/td\u003e\n\u003ctd style=\"padding:9px 12px;color:#555;border-bottom:1px solid #ddd;\"\u003eMVHR unit connection, solar air heating last-metre flex, routing 160mm duct around structural obstacles, fan vibration isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cdiv style=\"background:#008377CF;color:#fff;padding:10px 16px;margin:28px 0 16px;border-radius:4px;font-size:1.05em;font-weight:700;letter-spacing:.3px;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eHow does this compare to the Verplas EPS thermal duct at 160mm?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eThe \u003cstrong\u003eVerplas TSS-160 EPS thermal duct is rigid, insulated, and uses push-fit self-seal connectors\u003c\/strong\u003e — ideal for long cold-space main runs where condensation prevention is the priority. The \u003cstrong\u003eAWSR160X3 is flexible, non-insulated, and manually bendable\u003c\/strong\u003e — ideal for short connection sections where flexibility is needed around an obstacle. The two products complement each other in the same system.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eCan this duct be used to connect directly to an MVHR unit?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eYes — a short section of 160mm semi-rigid duct between the MVHR unit spigot and the first rigid duct fitting is \u003cstrong\u003ebest practice for vibration isolation\u003c\/strong\u003e. It decouples the unit from the rigid duct run, preventing vibration from the MVHR fan from transmitting into the building structure as structure-borne noise.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eIs 160mm semi-rigid duct the same size as 150mm?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eNo — 160mm and 150mm are distinct, incompatible duct sizes with a 10mm difference in diameter. Always \u003cstrong\u003everify the spigot size of your fan unit or fitting\u003c\/strong\u003e before selecting the duct size. Do not attempt to use 150mm duct on a 160mm spigot.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eHow do I seal semi-rigid duct joints for MVHR airtightness?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eSecure each end with a \u003cstrong\u003eworm drive clip\u003c\/strong\u003e (minimum 40mm spigot engagement), then seal the joint and any gap between the duct outer surface and the spigot with \u003cstrong\u003ealuminium foil duct tape\u003c\/strong\u003e. This achieves the airtightness required for MVHR installation commissioning.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"margin-bottom:8px;border:1px solid #c8e6e3;border-radius:4px;overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF;color:#fff;padding:11px 14px;cursor:pointer;font-weight:600;font-size:.95em;list-style:none;\"\u003eWhat is the minimum bend radius for this duct?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 14px;font-size:.92em;color:#333;background:#fff;\"\u003eAvoid bending the duct tighter than a \u003cstrong\u003eradius equal to the duct diameter (160mm)\u003c\/strong\u003e. Tighter bends cause the corrugation to collapse on the inside of the bend, reducing the internal area and sharply increasing pressure drop through that section.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"AirWise Ventilation","offers":[{"title":"Default Title","offer_id":64801804616029,"sku":"AWSR160X3","price":21.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/AirwiseAWSR160X3Semi-RigidAluminiumDuct160mm3m.jpg?v=1779859811","url":"https:\/\/qualityheating.co.uk\/products\/airwise-semi-rigid-aluminium-duct-160mm-3m","provider":"AIZO Quality Heating","version":"1.0","type":"link"}