Ceiling valve
TDC rectangular channel
# ** What is the TDC rectangular channel? **
Round spiral pod
# Spiral sheath
Non -centralized round conversion
Design: Produced from 10 to 200 cm
Damper behind the fan
The rectangular damper
Duffer Duffer Valve
The four -way 90 -degree
** Diameter: ** Produced from 10 to 200 cm
Galvanized Punch
# What is the Punk Galvanized Bar?
Three -way 90 degree
** Diameter: ** Produced from 10 to 200 cm
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