Lukjan DX440830 Duct End Cap 30 X 8 Inches

Product Description

The 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.

This 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.

Key Features

• Fits 30 x 8 inch rectangular duct openings for a precise, flush closure
• Seals duct terminations to prevent air leakage and energy loss
• Blocks debris, pests, and unconditioned air from entering the duct system
• Standard HVAC duct fitting category for straightforward field installation

Compatibility

Designed 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.

Installation Notes

Installation 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.

Technical Specifications

• Size: 30 x 8 inches
• Product Type: Duct End Cap
• Category: HVAC Duct Fittings

Standard Information

• Brand: LUKJAN
• Manufacturer Part Number: DX440830