Hunting from a blind can conceal your location, and your movement, but it can't conceal your scent. That's why you need the tried-and-true Ozonics HR230. Perfect for hunting in a blind or stand, the HR230 provides all of the odor-destroying ozone you need to go undetected in the stand or the blind. THREE MODES OF OPERATIONMode 1 - StandardStandard mode is perfect for when you're waiting in a tree stand or blind for your opportunities. Your HR230 will run for up to 5 hours in standard mode. Mode 2 - BOOSTBoost mode is for times when you want more ozone production to overcome environmental conditions or to provide an added sense of security during peak animal activity. Your HR230 will run for up to 4 hours in boost mode. Mode 3 - DRIWASHDriWash mode is specifically designed to be used with the DriWash Bag or O.N.E. Locker. DriWash modes is optimal for deodorizing apparel, gear and clothing without damage. THE SCIENCE IS CLEARFACT 1 - YOU HAVE A SCENTHuman beings have a unique scent. A molecular scent emitted through skin and breath. And that scent triggers an immediate alarm response in animals. FACT 2 - ANIMALS CAN SMELL YOUA deer's nose has 297 million olfactory receptors. A human's has just 5 million. So most animals can smell you up to 1/4 mile away. FACT 3 - OZONICS KILLS YOUR SCENTOzone reduces, alters and destroys human scent molecules it contacts, making your scent unrecognizable to deer and other commonly-hunted animals. FACT 4 - OZONICS = BETTER HUNTINGOzonics maximizes existing opportunity and creates opportunities that would've otherwise never existed. See more. Shoot more. Ozonics.