- Muffler 400*200/1000
- Designed for square ducts
- Muffling sound from fans or airspeed
- Material: galvanized sheet
- Ability to choose colors
- Muffler 500*250/1000
- Designed for square ducts
- Muffling sound from fans or airspeed
- Material: galvanized sheet
- Ability to choose colors
- Muffler 500*300/1000
- Designed for square ducts
- Mute the sound of fans or air speed
- Material: galvanized sheet
- Option to choose colors
- Muffler 600*300/1000
- Designed for square ducts
- Muffling sound from fans or airspeed
- Material: galvanized sheet
- Ability to choose colors
- Muffler 600*350/1000
- Designed for square ducts
- Muffling sound from fans or airspeed
- Material: galvanized sheet
- Ability to choose colors
- Muffler 700*400/1000
- Designed for square ducts
- Muffling sound from fans or airspeed
- Material: galvanized sheet
- Ability to choose colors
