|_##HVAC_DUCT_SIZE##MILLIMETERS|_##HVAC_DUCT_SIZE##MILLIMETERS
TRS 400x200 EC|400|200
TRS 500x250 EC|500|250
TRS 500x300 EC|500|300
TRS 600x300 EC|600|300
TRS 700x400 EC|700|400
TRS 800x500 EC|800|500
TRS 900x500 EC|900|500
TRS 1000x500 EC|1000|500
TRS 1000x500 R EC|1000|500
