Cart Continue shopping “MDF Stethoscopes MDF 740C” has been added to your cart. Product Price Quantity Subtotal × 10" D. Wound Polypropylene Yarn Filter 5.0 IDIF01AA5 $3.46 10" D. Wound Polypropylene Yarn Filter 5.0 IDIF01AA5 quantity $3.46 × 20" C. Activated Carbon Block Cartridge 5.0 IDIF01B5 $2.35 20" C. Activated Carbon Block Cartridge 5.0 IDIF01B5 quantity $2.35 × MDF Stethoscopes MDF 740C $50.05 MDF Stethoscopes MDF 740C quantity $50.05 Coupon: Apply coupon Update cart Cart totals Subtotal $55.86 Total $55.86 Proceed to checkout