How much does this cost to the nearest dollar?

AUDIOPIPE 5.25 6.5 99 UF BASS BLOCKERS 400Hz @ 4 OHM 5-1/4 6-1/2 4 PCS
Audiopipe BB99 bass blocker inline filter For 5 1/4 And 6 1/2 Speakers. If you have small speakers that do not sound good install these and see what a difference it makes. Non-polar 10% capacitor 4 Ohm 400Hz 8 Ohm 200Hz 100 Volts 99 uf Bass Blockers BB-99 Removes sounds that are below a certain frequency Designed to enhance the performance and power handling of tweeters and midrange speakers by removing frequencies beyond their capabilities Frequencies Blocked 4 Ohms 0-

Price is $16.00
Price: $15.99