Why Use W4 Citrus Foam
Unlike traditional pre-wash snow foams that come loaded with caustic chemicals, W4 Citrus Foam is a pH neutral formula that removes hard to shift grime without damaging coatings.

It combines an effective citrus degreaser, with a foaming agent, making it tough on road grime and bug splatter. It can be used at a dilution of up to 10:1 through a foam lance. And also through a pump sprayer.

Simple Steps To Help You Get The Best Results

• For best results use in a snow foam lance, out of direct sunlight
• Shake bottle well before use
• Decant one inch (2.5cm) of W4 into a foam lance and fill with warm water
• Spray onto the surface of the vehicle from bottom to top
• Leave the foam to dwell on the surface for three to five minutes, and then rinse thoroughly with clean water
• Do not allow the product to dry on the surface of the car
• Store in a cool, dry place
• Use within 12 months of opening