How much does this cost to the nearest dollar?

HQRP Filter Compatible with Bionaire / / BWF75 Replacement fits Humidifier
HQRPÂ® Humidifier Wick Filter improves the efficiency of your humidifier by trapping mineral deposits from the water. This triple-layer humidifier filter helps control dust and dirt build-up and prevents impurities from spreading by passing air through the filter, also remove household odors. Antimicrobial treatment helps protect wick filter from the growth and migration of mold, fungus, algae, mildew and odor-causing bacteria (on the surface of the filter only). For optimum performance, humidifier filter should be replaced at the beginning of each season and then every 4-6 weeks, depending on usage and hardness of water. Compatible with Bionaire / / BWF75 / HWF75 Replacement

Price is $11.00

Price: $10.91