Primos Power Owl Call Primos has been trusted by individuals for decades. Products that are made of quality material and designed to withstand the toughest environments. Trust the Brand that others in the field use and don't settle for less. Quality materials used for all primos products 100 percent designed and tested for the toughest situations and environments Design allows for super-loud locating Improved design keeps reeds from sticking due to over blowing Allows for automatic back pressure