This is the Wurth Interior Cleaner Detailing Set, which includes:

• Spigot for 5-Gallon Containers: 1 piece
• Interior Cleaner (Concentrate): 5 gallons (18.9 liters) - 2 pieces
• General Purpose Spray Bottle: 2 pieces

This set is geared towards professional detailers and provides a bulk supply of interior cleaner concentrate along with the necessary tools for dilution and application. The spigot makes dispensing from the large containers easier, and the spray bottles are used for applying the diluted cleaner.