Product information "Cellulose Thinner"
For the thinning of all König NC- and acrylic lacquers, for the glazing adjustment of Color Touch-Up and to dissolve the paint chips in the Touch-Up Paint Box. Can be used as brush cleaner.
https://www.koenignorthamerica.com/media/b9/27/e2/1678891481/TDS_710000_CelluloseThinner_2021-43.pdf

You might also be interested in ...

Red Marten Brush Set
$22.60*
Cotton Cloth
$6.80*
Mixing Cup
$0.35*