New Coupon- Save $1 on any ONE (1) LISTERINE Mouthwash product (from 500 ml to 1L) or any (1) LISTERINE Ready! Tabs™ product (8 ct. or larger) Save $1 on any ONE (1) LISTERINE Mouthwash product (from 500 ml to 1L) or any (1) LISTERINE Ready! Tabs™ product (8 ct. or larger)