Check the listing for details. 30 SECONDS Professional Mold & Mildew Stain Remover 2.5 gal (read description). Condition: New. Listed at 22.00 USD. I have six available at the moment but can get 17 more for each 2 that’s purchased it comes with the factory box. Price is for a single 2.5 gallon jug. Discounted if you buy 2 or more. The description is from Home Depot’s website. BRIGHTER RESULTS INSTANTLY: Noticeably brightens surfaces, removing mold and mildew stains as you watch NO SCRUBBING REQUIRED: Avoid the hassle and backbreaking work of scrubbing tough stains 2X STRONGER FORMULA: 2X Stronger than 30 SECONDS Outdoor Cleaner OUTDOOR AND INDOOR USE: Drywall, Wood, Fences, Decks, Vinyl Siding, Concrete Floors, Kitchen, Bathroom tile/grout, Bathtub Soap Scum, Showers, Brick Walls, and other areas where mold and mildew can grow REMOVES BLACK MOLD STAINS & MORE