Pro-Lab Diagnostics is a proud Canadian company founded in 1974 and located in Richmond Hill, Ontario. The company’s 40 employees are dedicated to producing top quality medical diagnostic products currently being distributed all over the world! The Prolex™ Staph Xtra Latex Kit provides a rapid platform to distinguish Staphylococcus aureus and methicillin-resistant S. aureus (MRSA) from other species of staphylococci. In stock and available for immediate shipping. Call us at 1.800.268.2341 or e-mail us at to place your order.