Roundup PRO® Concentrate is part of the Industrial, Turf and Ornamental family and helps control weeds and brush through a more concentrated formulation. Read customer questions about Roundup Pro Concentrate and get help with Roundup Pro Concentrate. Roundup Pro Concentrate is an excellent way to keep your property free of weeds. Roundup Pro Concentrate contains glyphosate – this is the same reliable and . Amazon.com : Round Up Pro Concentrate 50.2% Glyphosate 2.5 Gallon Jug Systemic Herbicide : Weed Killers : Garden & Outdoor. Amazon.com : Roundup Pro Weed Killer Concentrate, 2.5 Gal : Weed Killers : Garden & Outdoor. This product is identified as Roundup PRO® herbicide, EPA Registration No. 524-475. . a liquid concentrate or diluted prior to injecting into the spray stream. Roundup Pro Concentrate features the highest concentration of glyphosate available. Makes up to 640 gallons. Rainfast in 1 hour. This product is identified as Roundup PRO®. Concentrate. Herbicide, EPA Registration No. 524-529. 1. ATTENTION: This specimen label is provided for general . Roundup PRO Concentrate. No other herbicide controls more weeds. Favorable environmental characteristics such as low volatility and binds tightly to soil.