{"product_id":"lukjan-dx440830-duct-end-cap-30-x-8-inches","title":"Lukjan DX440830 Duct End Cap 30 X 8 Inches","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe LUKJAN DX440830 is a rectangular duct end cap sized at 30 x 8 inches, designed to close off the open end of a sheet metal duct run. It provides a clean, sealed termination point where airflow is not required, preventing energy loss and blocking the entry of debris, pests, and unconditioned air into the duct system. This fitting is a standard component in forced-air HVAC installations and is typically installed by sheet metal contractors and HVAC technicians during new construction, renovation, or system modification work.\u003c\/p\u003e\n\u003cp\u003eThis end cap is suited for use in residential and light commercial HVAC duct systems where a 30 x 8 inch rectangular duct opening requires a permanent or semi-permanent closure. Common applications include capping unused trunk line branches, sealing off decommissioned supply or return runs, and finishing duct terminations in tight mechanical spaces. The 30 x 8 inch profile matches standard rectangular duct dimensions used throughout forced-air distribution systems.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 30 x 8 inch rectangular duct openings for a precise, flush closure\u003c\/li\u003e\n  \u003cli\u003eSeals duct terminations to prevent air leakage and energy loss\u003c\/li\u003e\n  \u003cli\u003eBlocks debris, pests, and unconditioned air from entering the duct system\u003c\/li\u003e\n  \u003cli\u003eStandard HVAC duct fitting category for straightforward field installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement or new-installation fitting for standard 30 x 8 inch rectangular sheet metal duct systems in residential and light commercial forced-air HVAC applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by a licensed HVAC technician or sheet metal contractor. Power down the air handling system before beginning any duct work to prevent air pressure interference during fitting. Secure the end cap to the duct with sheet metal screws and seal all seams with UL 181-rated duct sealant or foil tape in accordance with local mechanical codes. Inspect the surrounding duct section for damage before closing off the run.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: 30 x 8 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Duct End Cap\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory\u003c\/strong\u003e: HVAC Duct Fittings\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: LUKJAN\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: DX440830\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LUKJAN","offers":[{"title":"Default Title","offer_id":51306292707634,"sku":"DX440830","price":17.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/309549039.jpg?v=1781288304","url":"https:\/\/voomisupply.com\/products\/lukjan-dx440830-duct-end-cap-30-x-8-inches","provider":"Voomi Supply","version":"1.0","type":"link"}