(*vs.
** And, with thousands of fluffy, specially-coated fibers and a 360° design, they grab onto dust in every direction and don't let it go. Swiffer Duster Multi-Surface Heavy Duty Refills, 3 ct | CVS feather duster) (**common inanimate allergens from cat and dog dander & dust mite matter).Swiffer Heavy Duty Dusters trap and lock up to 3x more* dust & allergens.