+3 Rocky Mountain Da Bull Diaphragm Elk Call 36009 $11.95 Out of stock Quantity: 1 Add to Bag Product Details UPC: 850002955484 Brand: Rocky Mountain Hunting Calls This non-latex diaphragm allows the hunter with latex allergies to still use a diaphragm. This call can create a wide variety of cow/calf sounds in addition to bugles. Save this product for later Favorite