Background Information: toner cartridges for 80 new color printers with a brand name/part number justification that will be attached in GSA E-Buy, estimate of $39,000.

With an approved brand name or equal requirement (follow local or agency procedures for who is authorized to approve it - most likely the KO at that dollar amount); then use FAR 52.211-6 Brand Name or Equal.

Make sure your specification clearly states you will not accept "re-manufactured" or "grey market" products.