Fits D&W vents with 4" backs.
Please let me know if you have any questions.
Thank you,
Babette
4" Galvanized Metal Expander to 2" Reducer Heat AC Register Vent Adapter D&W
$5.95
Model
4-2 reducer/expander
MPN
4"-2"
Country/Region of Manufacture
United States
Material
galvanized metal
Brand
D & W INC.
Type
reducer/expander
condition
New
4" to 2" Galvanized Metal Reducer/Expander Vent Adapter.