How much does this cost to the nearest dollar?

AMI PARTS AIR1 Fresh Flow Air Filter & Produce Preserver Replacement Compatible with Refrigerator (Pack of 2 Each)
Refrigerator Fresh Flow Produce Preserver The produce preserver absorbs ethylene allowing the ripening process of many produce items to slow down. As a result, certain produce items will stay fresh longer that are kept in your crisper drawer. It extends freshness of produce up to 25%. Replace pouches and status indicator every six months for optimal freshness Replaces Parts# refrigerator fresh flow produce preserver replaces etc refrigerator freshflow air filter replaces AIR 1, AIR1, etc ►Suitable for most top brands A-mana, Jenn-Air, Ken-more, Kitchen-Aid, May-tag, Whirlpool etc Tiered High Efficiency Filtration Refrigerator

Price is $18.00

Price: $17.99