What does this cost to the nearest dollar?

Title: Replacement Filter for Vacmaster Wet/Dry Vacs  
Category: Cleaning Supplies  
Brand: Think Crucial  
Description: A single-use filter that fits Vacmaster wet/dry vacuums with 5‑20 gallon capacity, restoring clean airflow and reducing allergens.  
Details: Made of durable plastic, it is lightweight, easy to install, and improves vacuum performance by capturing dust and debris—retainer lid not included.

Price is $