How much does this cost to the nearest dollar?

STADLER FORM WATER CUBE,White
The Water Cube keeps humidifiers fresh. It works in ultrasonics, evaporators, and air washers. Lasts up to one year (12 months). Suitable for use with most humidifiers made by other manufacturers. Original Stadler Form Replacement Accessory Helps keep water fresh in humidifiers between cleanings Suitable for use in ultrasonic, evaporators and air washers style humidifiers Patented Swiss technology Swizz Technology Brand Stadler Form, Color White, Dimensions 1.2\ D x 0.9\ W x 0.65\ H, Weight 0.01 Kilograms, Model Name Water Cube, Voltage 110 Volts, Power Source Corded Electric, Department Unisex, Manufacturer Swizz-Style,

Price is $18.00

Price: $18.01