U-POL Extra Hardener Paste for use with Easy 1 / Easy One and Fantastic 2 part polyester fillers. Red top HRED/L. Dibenzoyl Peroxide as a paste in 50% solvent. Large sized sachet / tube which contains 40g of hardening paste.

Can be used with all the U-POL and ISOPON polyester fillers. Available in 40g sachets, in singles and packs of 5 to save you even more.