The 170mm Liquid Silicone Lips for the WV 6 Premium ensure streak-free results on all smooth surfaceswithout leaving any smears or drips. The patented silicone lip technology offers Kärcher's best cleaning results and an even longer life, thanks to the improved flexibility and durability.When the blades start to appear worn, they should be replaced to ensure a continuous streak-free cleaning result on all smooth surfaces. Suitable for the Karcher WV 6 Window Vac only. SpecificationsQuantity: 2Weight (including packaging): 0.1kgDimensions (L x W x H): 170mm x 30mm x 24mm Features and BenefitsQuick and easy to replacePatented silicone lip technology offers Karcher's best cleaning results and an even longer lifePack of 2 ContentsPack of 2