Only a small difference ? And thats a fact ! Not all wood is lime wood. Even lime wood is not always lime wood.
The permeability of a lime wood air diffuser does not depend on its size or the cross-section of its bore, but mainly on the choice of wood quality. The hw lime wood diffusors are very good.Available in two sizes:
Size 1: 45x19x19 mm
Size 2: 65x19x19 mm |
 |
hw Lime wood diffusor