USG Touch-Up Spray Paint - Flat White at Cherokee Building Materials
Renew - Restore your ceiling tiles instead of replacing them-Professional use, non-flammable spray-on white coating that covers ceiling tile stains caused by water damage, smoke, and soil discoloration - Amazon.com
Zinnser 03688 Covers Up Stain Sealing Ceiling Paint, White - Household Wood Stains - Amazon.com
Armstrong Prelude 12 ft. White Main Beam Ceiling Grid Kit 7300XRWH12 - The Home Depot
Zinsser Covers Up 13 oz. White Ceiling Spray Paint & Primer in One (6-Pack) 3688 - The Home Depot