Boardwalk® Heavy-Duty Degreaser, 1 Gallon Bottle, 4/Carton (BWK4744) Case of 4Boardwalk Heavy Duty Degreaser Boardwalk heavy duty degreaser is specifically formulated to easily remove oil based grease spills and stains without the elbow grease. This powerful cleaner can be diluted to stretch one gallon to make over 12 gallons of cleaner. Global Product Type: Degreasers Cleaners Application: Degreaser Cleaner Applicable Material: Ceramics; Enamel; Metal Dirt Types: Grease; Grime; Lubricants; Oil Based Soil Physical Form: Liquid