Harvest Lane Honey combines their original Screened Bottom board with a heavy duty plastic tray.  The tray offers multiple applications you can use to trap mites and small hive beetle or to do a mite count.  

Application Directions:

Prevention of Small Hive Beetle or Mites-Fill bottom tray with oil (kitchen oil works great). 

Mite Counts-Use a natural spray adhesive and spray the inside of the tray.  This will allow the mites to fall and stick and then be counted. 

The tray is best used to prevent pests.