Ergonomic Design for Comfort: This bottle is designed with an ergonomic grip, making it comfortable to hold and use over extended periods. Ideal for tackling all your window cleaning tasks without fatigue. Enhanced Security Features: The re-engineered collar on this bottle ensures a secure attachment, reducing the risk of leaks or spills during use. This feature provides peace of mind, allowing you to clean with confidence. Convenient Application: The easy application allows for a quick and even distribution of cleaning solution, ensuring thorough coverage and efficient cleaning. This feature saves time and effort, enhancing your cleaning experience. Compatibility Across Models: Specifically designed to be compatible with for window WV1 WV2 . This replacement part integrates seamlessly with your existing equipment, making it a versatile addition to your cleaning toolkit. Color: As Shown Material: plastic Package Contents: 1 Set x bottle 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.