What does this cost to the nearest dollar?

Title: 2-Pack Whirlpool Refrigerator Water Filter Replacement  
Category: Kitchen & Dining  
Brand: Denali Pure  
Description: Replacement water filter cartridges compatible with Whirlpool refrigerator models.  
Details: Each pack contains two filters that provide clean, fresh-tasting water and are NSF/ANSI certified.

Price is $