Swirl ceiling diffusers with high induction rate, consisting of a square plate with multiple fixed blades arranged in a circular pattern, to be equipped with galvanized steel plenum box.
Polystyrene plenum box, type PPS-P with duct connection PPS-APD and mounting bar PPS-MB
Explanation
VWR-FSA = Diffuser type
600/540 = Diffuser size/swirl size
Accessories
RER-B = Plenum box type
600 = Size plenum box
CRC = Regulating valve for plenum box
250 = Plenum box connection diameter 250