How much does this cost to the nearest dollar?

Upstart Battery 2-Pack Replacement for Bionaire W25 Humidifier Filter - Compatible with Bionaire 911D Air Filter
Please note This is an UpStart Components brand replacement part, not an OEM product. This product is not affiliated with any OEM brands and is not covered under any warranties offered by the original manufacturers. Any warranties for this product are offered solely by Upstart Components. All mentions of brand names or model descriptions are made strictly to illustrate compatibility. All brand names and logos are registered trademarks of their respective owners. Replacement Bionaire W25 Humidifier Filter - Quantity, 2 Replaces Bionaire 911D Air Filter Traps Water Impurities & Dissolved Solids Before They Become Airborne For best results, change air filter at least once per

Price is $18.00

Price: $17.99