I used the Meguiar's and the 5000 was 3M Trizact.

Meguiars Unigrit 3 Inch Foam Interface Pad, foam backup pad, sanding disc interface

Meguiars Unigrt 1000 3 Inch Finishing Discs, 15 per box

Meguiars Unigrit 3000 3 Inch Finishing Discs, 15 per box

MIRKA Abralon Sanding Discs

3 Inch MIRKA Microstar Sanding Discs

3M Trizact 3 Inch 5000 Grit Foam Disc 30362, sanding discs, 3m spot repair discs