Compatible with for robotic pool cleaners models: DX3, DX4, DX4S. High-Quality Performance: Our ultra fine filter 9991422-R4 is meticulously designed to deliver exceptional filtration results. Versatile and Efficient: Suitable for a wide range of applications, this filter can effectively capture even the smallest particles, providing maximum protection against airborne contaminants. Easy Installation: Designed for hassle-free setup, our ultra fine filter 9991422-R4 can be quickly installed without the need for any special tools or professional assistance. Long-Lasting Durability: Crafted from top-quality materials, this filter is built to withstand prolonged use, ensuring it remains effective and reliable over Please note: There may be slight color differences or variations in the actual product, but this does not affect its use. Please do not mind this. Thank you! Color: As Shown Material: plastic Package Contents: 1set x ultra fine filter 9991422-R4 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.