Listerine Floss and Flosser products are on sale for $2.99 at Rite Aid. Purchase two products and use two $1.00/1 printable manufacturer coupons. The coupons have a limit of one per person, but four like coupons per transaction. After the coupons, pay $3.98 and receive 200 Plenti Points ($2.00). The final price is $0.99 per item.