This is an exact factory match titanium alloy coated ceramic disc for the Young Living Aria diffuser.
Replacing the disc is a simple process.
1. Remove the splash guard.
2. unscrew the retaining ring with a a binder clip just like in the video for the Dewdrop diffuser
3. Replace the disc with the new one
4. re-install the retaining ring and tighten with the binder clip
I'm so grateful that Diffuser Doc fixed my Aria diffuser. Really it is so tempermental, but thanks to Diffuser Doc's refusal to give up, it is happy again. Just make sure you tighten the disc when you change it, otherwise water will get in and ruin the power cord. Be careful to fill the water up to the line but not over. Like I said, tempermental, but worth it. Thanks a million, Diffuser Doc !!