3М Ultra Clean Economy Line €15.33 3M Ultra Clean Economy Line is a disposable dust and dirt cleaning pad. It consists of 60 sheets, with a pressure-sensitive adhesive layer. The sticky surface removes dirt and dust particles from shoe soles and tires and also has an anti-slip effect. Effective assistant for obtaining ISO14644-1 certificate for cleanliness and Class 8 to 4. Size: 45x90cm, 1 x 60 pieces.