Blood Bag Reservoir for Chester Chest Arm by Nasco Healthcare $18.95 SB46519 Blood Bag Reservoir for Chester Chest Arm / SB46519 / Cart Title Blood Bag Reservoir for Chester Chest Arm Product ID SB46519 CheckoutType Cart Add to cart For use with any Chester Chest Arm (SB52877U), (SB52878U), or (SB45082U).