No Clean Flux Remover Cleaning Pen No-Clean Flux Remover Cleaning Pen is ideal for spot cleaning no-clean fluxes on PCBS Best on no-clean fluxes, silicone oils, coatings, grease, adhesives and inks . Mild cleaner with a low odor and fast drying time . . . . Packaging: Pen Product Size: 1 oz Product Weight: Storage Temp: Cool, Dry, Out of Direct Sunlight