Molded fiberglass back fits most 2x2 T-bar diffusers
Bonded foil vapor barrier minimizes condensation
Deep plenum cavity improves performance
6"-16" diameter (even #) pre-scored back allows neck to be determined at time of installation
Back labeled with necessary code approvals
Meets 25/50 tested in accordance with ASTM E84 (UL 723)
U.L. 181 Erosion and Impact Test
"R" Values of 4.2 and 6.0
Approved for city of Los Angeles 

Submittal R4.2 Back

Submittal R6.0 Back

More T-Bar Return Air Filter Grilles

Customer Service

Phone   800.433.6341 or 616.656.8200
Faxne   800.223.8461