Add to Cart The item has been added USC 77702, SMC / Fiberglass Filler (1) USC 77702, SMC / Fiberglass Filler The USC 77702, SMC / Fiberglass Filler is specially formulated to be used with Traditional Fiberglass and SMC (Sheet Molded Composite). USC 77702 has superior... $18.49 Add to Cart The item has been added Compare