
wall stack fitting
0.00 Reviews$25.99
Shipping calculated at checkoutSKU: wsf-32510-stBarcode: Not listed
stack fitting built for jobsite service
Made in the USA
Field notes
Built for reliable installation
stack fitting details without decorative guesswork
wall stack fitting carries airflow through narrow wall cavities where standard round duct will not fit. the rectangular stack profile is suited for vertical runs, returns, and tight branch routing.
- low-profile rectangular body
- compatible with matching stack duct sections
- designed for sealed joints and mechanical fastening

Clear fitment for crews
wall stack fitting carries airflow through narrow wall cavities where standard round duct will not fit. the rectangular stack profile is suited for vertical runs, returns, and tight branch routing. low-profile rectangular body compatible with matching stack duct sections designed for sealed joints and mechanical fastening
Compatibility: Check the listed option values, SKU, and measurements before installing into finished work.
Specifications
| Specification | Details |
|---|---|
| Product type | stack fitting |
| Selected SKU | wsf-32510-st |
| Selected variant | 3.25x10 in / straight |
| Availability | Available for sale |
| Inventory count | Not advertised |
| size | 3.25x10 in 3.25x12 in 4x10 in |
| style | straight offset end-cap |
| Made in | USA |
Printable Spec Sheet
Can I use stack fitting for residential jobs?
Review local code requirements and the published measurements before installation.
Does the selected variant change the SKU?
Yes. The SKU line above updates with the selected dropdown combination.
Can I order more than one?
Use the quantity stepper before adding the item to the cart.