Concentric Diffusers
![](https://images.ctfassets.net/gz50xeghgvm0/33csQBj3hCk7ZtpicbiDbM/2f96e81e3c376a6593bf74e5acfcbc2f/CDR-3_to_5.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/33csQBj3hCk7ZtpicbiDbM/2f96e81e3c376a6593bf74e5acfcbc2f/CDR-3_to_5.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/Bc0UYcrnEfywpIj4YiWCX/372b5e6d02cb45809d2dacc53621914a/CDR-3_to_5_bottom.png?fit=thumb&w=50&w=50)
CDR Concentric Drop Box Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
1" 1-1/2 lb. Duct Liner.
Double Deflection Diffuser.
Aluminum Egg Crate Return Grilles.
Exposed Surfaces Painted Off White Enamel.
Fully Assembled.
Designed for Lay In Ceiling Installation.
Round Duct Connections.
![](https://images.ctfassets.net/gz50xeghgvm0/56UlSeoVAXudWwAq4SnzHr/1dfb89ff7ec4cd28baf46beea815ab3f/CDS-3_to_7.5.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/56UlSeoVAXudWwAq4SnzHr/1dfb89ff7ec4cd28baf46beea815ab3f/CDS-3_to_7.5.png?fit=thumb&w=50&w=50)
CDS Concentric Drop Box Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
1" 1-1/2 lb. Duct Liner.
Double Deflection Diffuser.
Aluminum Egg Crate Return Grilles.
Exposed Surfaces Painted Off White Enamel.
Fully Assembled.
Designed for Lay In Ceiling Installation.
Square/Rectangle Duct Connections.
![](https://images.ctfassets.net/gz50xeghgvm0/7ADL0Ps4fA8seVjzO7cevg/4368a14dee8c3b3f7537d968270933ad/CFR_ISO_TOP.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/7ADL0Ps4fA8seVjzO7cevg/4368a14dee8c3b3f7537d968270933ad/CFR_ISO_TOP.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/4z6NU8o5XZkw6BQQICjC6T/1d0b0118c8532fdb623bbfc8410e6b18/CFR_ISO_BOTTOM.png?fit=thumb&w=50&w=50)
CFR Flush Mount Concentric Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
1" 1-1/2 lb. Duct Liner.
Aluminum Louverd Face Grille with Egg Crate Return.
Exposed Surfaces Painted Off White Enamel.
Fully Assembled.
Designed for Lay In Ceiling Installation.
Round Duct Connections.
![](https://images.ctfassets.net/gz50xeghgvm0/5yQ7atzivL5eRZSyzP1gb2/f8cd0e825952a9d23d36f9f4449816a4/CFS_ISO_TOP.png?fit=thumb&w=300&w=300)
![](https://images.ctfassets.net/gz50xeghgvm0/5yQ7atzivL5eRZSyzP1gb2/f8cd0e825952a9d23d36f9f4449816a4/CFS_ISO_TOP.png?fit=thumb&w=50&w=50)
![](https://images.ctfassets.net/gz50xeghgvm0/1rF3SoKx3w4KXwgyM6w2nL/ec25041ea8dbd14d9ce2ec0bf49d910b/CFS_ISO_BOTTOM.png?fit=thumb&w=50&w=50)
CFS Flush Mount Concentric Diffuser
STANDARD FEATURES
G-90 Galvanized Steel Construction.
1" 1-1/2 lb. Duct Liner.
Aluminum Louverd Face Grille with Egg Crate Return.
Exposed Surfaces Painted Off White Enamel.
Fully Assembled.
Designed for Lay In Ceiling Installation.
Square/Rectangle Duct Connections.