Color:

4w-cylinder [for 20-30cm cylinder]]

This year's new mute 4W suitable for 30cm inner cylinder

6w-cylinder [30-40cm cylinder]]

This year's new mute 6W suitable for 40cm inner cylinder

15w-cylinder [30-60cm cylinder]]

This year's new mute 15W suitable for 50cm inner cylinder

This year's new mute 20W suitable for 80cm inner cylinder

This year's new mute 25W suitable for 100cm inner cylinder

7w-square cylinder [30-45cm cylinder]]

10w-square cylinder [30-50cm cylinder]]

15w-square cylinder [30-60cm cylinder]]

20w-square cylinder [50-90cm cylinder]]

25w-square cylinder [for 60-100cm cylinder]]

30w-square cylinder [for 60-120cm cylinder]]