Plenum for connecting ceiling diffuser/exhaust unit to ductwork. Access for ductwork cleaning.

Plenum for connecting SLL and SLN linear slot diffusers / exhaust units to ductwork. Access for ductwork cleaning.

Plenum for connecting SLL and SLN linear slot diffuser supply/exhaust unit to ductwork. Access for ductwork cleaning.

Plenum for connecting SLM linear slot diffuser supply/exhaust unit to ductwork. Access for ductwork cleaning.

Plenum for connecting ceiling diffuser/exhaust unit to ductwork. Airtight, robust construction. Flexibility for levelling diffuser elevation.

Airtight and robust construction. Supply air plenum for variable flow active diffusers VHB and VHD.