STD HARDENER NR 2.5L

System 20 Standard Hardener 2.1 VOC is compatible with both System 20 Low VOC Primers and System 20 Low VOC Clearcoats. The end result: An easy-to-use system with less products to stock. Compatible with 4:1 System 20 Low VOC Primers Compatible with 4:1 and 2:1 System 20 Low VOC Clearcoats Ideal for larger repairs