Upflow Installation Kit, 21"

Ensure efficient airflow and easy filtration with this complete Return Air Package. Designed for durability and convenience, this package includes everything needed for a streamlined return air setup, shipped in a single compact carton for easy handling.

Package Includes:
✔ Return Air Plenum – Built for optimal airflow and efficiency.
✔ 1" Filter Rack – Ready for a standard 1" drop in filter.
✔ Starting Collar – Ensures a secure connection to your system.
✔ (2) 30" Duct Sections – Provides flexibility for various installation needs.

Key Features:
✅ Space-Saving Design: Ships knocked down for convenient transport and storage.
✅ Standard Return Duct Size: 25" x 10" for compatibility with common HVAC setups.
✅ Durable & Easy to Install: Built for long-lasting performance with a straightforward assembly process.

Perfect for new installations or retrofits, this Return Air Package delivers reliability, efficiency, and ease of maintenance for any HVAC system.

The trim-to-fit knockdown plenum fully assembled measures 20 in. W x 20 in. D x 36 in. H. and is designed for use with 21" wide furnaces. The knock-down design of the plenum takes up very little space and simplifies transporting to the job site. Simply measure and cut to size using tin snips to match the supply opening of the air handler, furnace, or evaporator coil. This knockdown plenum is designed to be used with multiple different brands and comes with 4 trimmable side and 1 trimmable top.

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