How to Specify

PS [1] [2] [3] [4] [5] [6] [7] [8]

[1] I – Internally Insulated

     N – Non-insulated

[2] Nominal Length 12-72" 

[3] Number of slots for slot diffusers.

      Listed width in inches for linear bar grilles

[4] S – Slots for slot diffuser

     W – Listed width for linear bar grilles

[5] H – Hemmed rail for E1 mounting style; do not use with mounting frames.

      S – Straight sides; use with all mounting frames except E1.

[6] Inlet sizes: 5”-12”

 [7] N – No Inlet

      O – Oval Inlet

      R – Round Inlet

 [8] D – Inlet Damper

      N – No Damper

NOTE: Must supply Slot or Linear model number when ordering plenum