Cart Continue shopping “20″ A. Wound Polypropylene String Filter 0.5 IDIF01C05” has been added to your cart. Product Price Quantity Subtotal × MDF Stethoscopes MDF 767 $31.98 MDF Stethoscopes MDF 767 quantity $31.98 × 20" A. Wound Polypropylene String Filter 0.5 IDIF01C05 $5.60 20" A. Wound Polypropylene String Filter 0.5 IDIF01C05 quantity $5.60 Coupon: Apply coupon Update cart Cart totals Subtotal $37.58 Total $37.58 Proceed to checkout