DUC-BLOC PAN- 24" x 40" EXTRA LARGE RETURN PAN
Sierra Building Science, Inc.
Will fit over return grilles up to 23” x 39” (outside dimensions). Creates an airtight seal around return grille without taping. Same two-part airtight foam gasket as regular pans. Includes a protective travel cover and strap to protect the foam gasket during transport. See it in use in the “Part 3 of 3 – How to Use Duc-Blocs. Requires two Zipwall poles, purchased separately.
Many older homes have 36” wide hallways. If clearance in narrow hallways is an issue, you might want to consider the smaller 24” x 34” Large Return Pan.
Duct tester collar (flange) and flex duct not included.
Shipping will be charged separately based on the size and weight of the replacement order