Quick and Easy Installation: Designed as a direct replacement for original WV6 , this unit installs in seconds with no tools required. Simply remove the old container and click this one into place for a snug, stable fit that keeps your window vacuum performing at its best. Enhanced Cleaning Performance: Paired with your Karcher WV1 this replacement tank helps deliver streak-free, crystal-clear results on windows, mirrors, and tiles. The stable water supply supports consistent suction and wiping, leaving surfaces sparkling and improving the overall cleaning effect. Durable PE Plastic Construction: Made from high-quality PE plastic, this water tank offers excellent resistance to impact, cracking, and wear in daily use. The sturdy material ensures long-lasting reliability, making it a cost-effective spare part to keep your window vacuum working like . Product Information: Name: WV1 WV2 Wastewater Tank Material: PE Plastic Part number: 5.633-171.0 Color: Black Package Contents: 1*Black Sewage Collector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.