Linden wood diffusers have particularly fine beads. They are made from linden wood that has been stored for a very long time and they last a long time. They are often used in marine aquariums and are ideal for use with a skimmer.
Air pump diffuser for aquarium JBL ProSilent
Durance Rattan Sticks and Tree Wood Diffuser for Reed Diffuser
beaphar CatComfort® Excellence Calming Diffuser for Cats - Starter Kit (Diffuser + Vial)
Swizzels Bubblegum Drumstick Wood Diffuser Car Air Freshener
Swizzels Lemon Wood Diffuser Car Air Freshener
Swizzels Bubblegum Wood Diffuser Car Air Freshener
