Remel Spectra MRSA, Ref R01821, 10 plates per package, and Ref R01822, 100 plates per package. The firm name on the label is Remel, Lenexa, KS. || The product is a selective and differential chromogenic medium recommended for use in the qualitative detection of nasal colonization of methicillin-resistant Staphylococcus aureus (MRSA) to aid in the prevention and control of MRSA in healthcare settings. It is also intended for use in the qualitative detection of MRSA from positive blood cultures demonstrating gram-positive cocci on Gram stain.