plenum slot

Slot diffusers, linear run ○ ○ ○ ○ Corner section ○ ○ ○ Technical

Hi, Can someone point me to a manufacturer that makes Linear Slot Diffusers the connection spigot on the top of the plenum box

linear slot exhaust fan Linear slot diffuser for efficient air supply in comfort Accessories PB-HELLA-3-1200-J #141221 · Plenum box for 3-slot diffuser, insulation outside

linear slot diffuser Description ; Variants TSD15-*: 1, 2, 3 or 4 slots ; Accessories SB: Support brackets for installation of diffusers without plenum box ; Nominal