I AM HAVING DIFFICULTY FINDING A PRODUST THAT MY MOTHER USES IN HER HOME. IT IS CALLED DI-GAS AND LOOKS LIKE A BAG OF SILICA GEL. hOWEVER, IT LETS OFF A VAPOR THAT KILLS MOLD AND MILDEW. dO YOU KNOW OF THIS PRODUCT, AND IF SO, WHO MAKES IT, AND WHERE CAN I GET IT? WE HAVE A MAJOR MILDEW PROBLEM IN MY SON'S CLOSET AND BOTH HE AND I ARE ALLERGIC TO MILDEW SPORES. ANY HELP YOU COULD PROVIDE IS GREATLY APPRECIATED.