DF 2.2KW two ordinary filter cartridges 800*600*1750mm

1.5mm

Built-in gas tank

DF 3.0KW two ordinary filter cartridges 800*600*1750mm

1.5mm

Built-in gas tank

DF 3.0KW four ordinary filter cartridges  800*8001750mm

1.5mm

Built-in gas tank

DF 4.0KW four ordinary filter cartridges 800*800*1750mm

1.5mm

Built-in gas tank

4-72 5.5KW four ordinary filter cartridges 1000*1000*2050mm

1.5mm

Built-in gas tank

4-72 7.5KW six ordinary filter cartridges 1200*1000*2150mm

2.0mm

Built-in gas tank