... fragrance. Bottles: glass, ceramic, wooden, crystal Caps: plastic plunger, aluminum cap, wooden cap, glass cap, Reed: rattan sticks with types of ... . Require no flame or electricity, eco-friendly. Fragrant reed diffuser has become more and more popular today. It's ... into the bottle. (4). Let your reed diffuser naturally permeate your space. Reed diffusers will continue to evaporate into the air ...