This is a replacement ceramic disc for the original Young Living diffuser like the one pictured.
To replace the disc, loosen the disc retaining ring with a large flat-head screwdriver
Remove the old disc.
Ensure that the silicone seal remains in place and install the new DiffuserDoc disc and place the retaining ring on top
Start tightening the retaining ring of the disc with your finger or thumb to get the threads started.
Finish tightening the retaining ring with a large flat-head screwdriver.
If you have any questions or concerns about the replacement process please feel free to contact us anytime.