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Drop Ceilings with Plenum Boxes

Playing An Aesthetic Role In
 Residential or Commercial Property

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Steel Fixed Bar Return Air Filter Grille with Plenum Box

Our return air filter grilles have horizontal bars are fixed at 45° with 2/3" spacing for great airflow dynamics. Each product features concealed hinges and latches to achieve a clean and modern look. For lay-in t-bar ceiling.

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Aluminum Fixed Bar Return Air Filter Grille

Our return air filter grilles have horizontal bars are fixed at 45° with 2/3" spacing for great airflow dynamics. Each product features concealed hinges and latches to achieve a clean and modern look. For lay-in t-bar ceiling.

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Lay-in Ceiling Diffuser Drop Ceiling Return Air Filter Grille
Piping

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Easy unrestricted air flow for your HVAC System. Angled at 50° to provide maximum airflow with 1/2" spaced stamped louver face. For lay-in t-bar ceiling.

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How To Measure A Grille

Overall Size

Measure the size of the duct opening. Do not measure the old vent cover. If your duct opening is 14" wide by 20" tall, order a 14x20

Height vs. Width

The first number in a grille size represents the width, the second number represents the height.

Outer dimensions of the front of a vent

Outer Dimensions

Front measurements of the vent

Inner dimensions of the back of a vent

Inner Dimensions

Back measurements of the vent or “Nominal Dimensions”

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How to Install A Return Air Filter Grille

Download The Complete
HVAC Catalog Today!

A complete downloadable pdf packed with all of our products. great for home users and contractors.

Download →

How to Install A Return Air Filter Grille

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