{"product_id":"concentric-reducers-rcl","title":"Concentric Reducers (RCL)","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cp data-start=\"42\" data-end=\"532\"\u003eConcentric reducers (RCL) are ducting fittings designed to smoothly transition airflow between different duct diameters in HVAC and ventilation systems while keeping the duct centerline aligned. Manufactured from durable galvanised steel, they ensure long-lasting performance, corrosion resistance, and efficient airflow. Ideal for commercial, industrial, and residential duct installations, they help maintain system efficiency and reduce turbulence.\u003c\/p\u003e\n\u003cp data-start=\"534\" data-end=\"651\"\u003e\u003cstrong data-start=\"534\" data-end=\"547\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"547\" data-end=\"550\"\u003e• High-quality galvanised steel\u003cbr data-start=\"581\" data-end=\"584\"\u003e• Corrosion-resistant finish\u003cbr data-start=\"612\" data-end=\"615\"\u003e• Heavy-duty, durable construction\u003c\/p\u003e\n\u003cp data-start=\"653\" data-end=\"860\"\u003e\u003cstrong data-start=\"653\" data-end=\"672\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"672\" data-end=\"675\"\u003e• Type: Concentric reducer (RCL)\u003cbr data-start=\"707\" data-end=\"710\"\u003e• Connects larger duct diameter to smaller duct diameter\u003cbr data-start=\"766\" data-end=\"769\"\u003e• Centerline-aligned for smooth airflow transition\u003cbr data-start=\"819\" data-end=\"822\" data-is-only-node=\"\"\u003e• Compatible with round duct systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"100mm x80mm","offer_id":57219786768709,"sku":null,"price":7.99,"currency_code":"GBP","in_stock":true},{"title":"125mm 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