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© 2026 Core Ranger, Inc.

Master Flow 3-1/4 in. x 10 in. Rectangular Stack… | Core Ranger

Home
Heating, Venting & Cooling
Ducting & Venting
In-Wall Duct System
Starting Collars

SKU SCF3.25X10

Master Flow 3-1/4 in. x 10 in. Rectangular Stack Duct Starting Collar

$21.98$2198

This Master Flow 3-1/4 in. x 10 in. Rectangular Stack Duct Starting Collar is made of durable, galvanized steel. It is used to transition from plenums (duct board or lined) or a flat surface to 3.25 in. x 10 in. stack duct. It installs easily with sheet-metal screws.

Used to transition from a flat surface to stack duct
Durable galvanized steel construction
Easy installation with sheet metal screws

Specifications

Gauge: 30
Model #: SCF3.25X10
Material: Galvanized Steel
Pack Size: 1
Internet #: 100139382
Returnable: 90-Day
Store SKU #: 897113
Product Depth: 4.25 in
Product Width: 11 in
Product Height: 4 in
Product Weight: 1 lb
Manufacturer Warranty: Free from Manufacturer Defect at Time of Delivery.
Brand/Model Compatibility: Universal

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