Pine Diffuser Vessel + Hiljaisuus Fragrance SetPine Diffuser Vessel + Hiljaisuus Fragrance 100ml This package contains pine diffuser vessel and 100ml hiljaisuus fragrance and wood sticks. Pine diffuser Vessel A diffuser vessel made of Finnish pine lasts a lifetime. You can always replace a new diffuser bottle inside the diffuser shell when the previous one has run out. You can also change the look of the diffuser with different wooden sticks, which allows the fragrance to rise into the room air.