Multi-use concentrated thick gel formula comprehensive kit - cleans up to 4+ showerheads. It's also ideal for kettles, coffee machines and steam irons. To use - Place your item in one of the bags, complete with diluted formula, and watch the limescale fizz away! Thick gel can be applied with the brush for non-removable items. Box Includes: 500ml Chemical Cleaner Plastic Bottle with CRC Cap; 2 Polybags; Double-Sided Brush; Impermeable Gloves; Retail Carton.