Gem Bids For 240 Membrane Oxygenator For Cardiac Surgery Adult Kole Cardioplegia Delivery System Single Stage Venous Return Cannula Right Angled 20Fr Length 33Cm Thin Flex Plastic Tip Single Stage Venous Return Cannula Right Angled 22Fr Length 33Cm Thin Flex Plastic Tip Single Stage Venous Return Cannula Right Angled 24Fr Length 33Cm Metal Tip