{"product_id":"lambro-industries-622-flexible-duct-connector-4in-x-20ft","title":"Lambro Industries 622 Flexible Duct Connector 4in X 20ft","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe LAMBRO INDUSTRIES 622 is a flexible duct connector designed for use in residential and light commercial HVAC and ventilation systems. Constructed from a 5-layer foil laminate, it provides a durable, low-resistance airflow path between ducted components. The connector measures 4 inches in diameter and ships in a 20-foot length, giving installers enough material to complete a full run or multiple shorter connections in a single piece. HVAC technicians and sheet metal contractors rely on this type of flexible connector to bridge rigid ductwork sections, accommodate minor misalignments, and reduce vibration transfer in forced-air systems.\u003c\/p\u003e\n\u003cp\u003eThis connector is suited for dryer venting, bath exhaust, kitchen ventilation, and general forced-air HVAC applications where a 4-inch round flexible duct is required. The 20-foot length accommodates longer runs common in residential construction and light commercial retrofits. It is appropriate for installations requiring a compact, lightweight connector that can be routed through tight spaces or around obstructions. The foil laminate construction makes it compatible with applications that require a more rigid, tear-resistant flexible duct over standard vinyl or mylar alternatives.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e5-layer foil laminate construction for improved durability and tear resistance\u003c\/li\u003e\n  \u003cli\u003e4-inch diameter fits standard round duct fittings and collars\u003c\/li\u003e\n  \u003cli\u003e20-foot length allows full runs or multiple connections from a single piece\u003c\/li\u003e\n  \u003cli\u003eFlexible design accommodates misalignment and reduces vibration transmission\u003c\/li\u003e\n  \u003cli\u003eLightweight at 10.75 pounds per unit, reducing handling effort during installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement and general-use flexible duct connector for residential and light commercial 4-inch round duct systems.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by licensed HVAC technicians or sheet metal contractors. Power down or de-energize the air handling unit before connecting or disconnecting ductwork. Secure both ends of the flexible connector to rigid duct collars using approved metal clamps or UL-listed foil tape in accordance with local mechanical codes. Avoid sharp bends or compression of the flex duct, as these conditions restrict airflow and reduce system efficiency.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 20 feet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction\u003c\/strong\u003e: 5-layer foil laminate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 10.75 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 12\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: LAMBRO INDUSTRIES\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 622\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LAMBRO INDUSTRIES","offers":[{"title":"Default Title","offer_id":51524729962802,"sku":"622","price":373.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/84dea56272afa4d6c0d8a2b9b4b74f92.jpg?v=1785456631","url":"https:\/\/voomisupply.com\/products\/lambro-industries-622-flexible-duct-connector-4in-x-20ft","provider":"Voomi Supply","version":"1.0","type":"link"}