Cart Continue shopping “MDF Stethoscopes MDF 747” has been added to your cart. Product Price Quantity Subtotal × Group A Beta Strep Agar/Trypticase Soy Agar (TSA 11) Bi-plate $1.14 Group A Beta Strep Agar/Trypticase Soy Agar (TSA 11) Bi-plate quantity $1.14 × MDF Stethoscopes MDF 747 $11.05 MDF Stethoscopes MDF 747 quantity $11.05 Coupon: Apply coupon Update cart Cart totals Subtotal $12.19 Total $12.19 Proceed to checkout