The Foscarini Chouchin Sospensione replacement diffusers are exchange diffusers. The Chouchin 2 is green and 22 cm in diameter and available with a height of 43 cm.
The Chouchin 1 is orange in color and 40 cm in diameter and available with a height of 31 cm. The Chouchin 3 is grey and 30 cm in diameter and with a height of 25 cm. These diffusers are made of blown glass.
This is the diffuser for the Chouchin 2.