Clostermann 1L 2K ( 2 Pack Solvent Type ) Fast Paint Solvent Thinner 
 
High quality helps maintain high gloss levels and reduce sheen drop when used with 2K paints
Extremely popular quality product for thinning cellulose primers & undercoats. 
Also, can be used for spray gun & brush cleaning
Please note: This item may be supplied in resealable plastic bottle to reduce transit damage