How much does this cost to the nearest dollar?

Nispira 4 Packs Humidifier Wick Filter Replacement Compatible with Holmes HWF75 Filter D Fits White Westinghouse, Sunbeam
A premium humidifier wick filter designed by Nispira. 4 filters included Fits Holmes, Sunbeam, and Bionaire Humidifiers requiring Filter D Compatible with Holmes 3600, 3640, 3650, 3655. White Westinghouse Also compatible with Sunbeam SF221, Bionaire W2, W6, W7, W9, W12, W14, W15, W25, A premium humidifier wick filter designed by Nispira. 4 filters included Fits Holmes, Sunbeam, and Bionaire Humidifiers requiring Filter D Compatible with Holmes 

Price is $39.00

Price: $38.99