|_##HVAC_DUCT_SIZE##MILLIMETERS|##OTHER##
TMBT 400M|400|M
TMBT 450M|450|M
TMBT 500M|500|M
TMBT 560M|560|M
TMBT 400T|400|T
TMBT 450T|450|T
TMBT 500T|500|T
TMBT 560T|560|T
