Round Stack Boot 10" X 3.25" X 6"- is Compatible with Duct 6" Sheet Metal / Round Duct + Product Details Size –

+ Product Details Size – 12"w X 20"h pleated MERV 8 filter for HVAC return filter grille - 3 Pack

fasten the edges to studs with the provided screws

Universal Fit – Dimensions of 6-3/8" wide x 3-1/2" high x 3" deep make it compatible with most standard thermostat models

Actual Filter Size – 7 3/4"w x 7 3/4" x 1"

Filter Size - 25

Round Stack Boot 10" X 3.25" X 6"- is Compatible with Duct 6" Sheet Metal / Round Duct + Product Details Size –+ Product Details Size The size of a galvanized sheet metal stack boot is 10" X 3. 25" X 6". It is compatible with duct 6". Design The stack boot at the bottom of the stack allows a transition from an ordinary large round or rectangular duct to a thin wall mounted duct. Applications The straight boot is used for a straight line transition going from round pipe or insulated flex duct to wall stack. Premium Quality Our straight round stack boot is made