WIDE COMPATIBILITY - Compatible with i1, i3, i3+, i4, i4+, i5, i5+, i6, i6+, i7, i7+, i8, i8+, j7, j7+, e5, e6, e7 robot vacuum cleaner models. Please verify your vacuum model before purchasing. FILTER REPLACEMENTS - Made from nonwoven polymer material with a high number of pleats per filter. The filter is securely bonded to the plastic frame, creating a fully sealed design to help extend the life of your vacuum. PERFORMANCE - Sealed filter design captures 99% of fine dust, hair, debris, sand, and dirt particles as small as 0.1 micrometers, helping to maintain clean air and thorough floor cleaning. Improves air quality and overall cleaning performance. EASY INSTALLATION - Filter replacements are simple to install without tools. It is recommended to replace the filter every 2 to 4 months to maintain optimal vacuum performance. PLEASE NOTE: This filter is not washable. Material: Plastic Color: As shown Package Contents: 18 x Filter Note: Light reflection and differences in display screens may cause slight color variations between the product image and the actual item. Measurement error allowance is +/- 1-3 cm. Only the items listed above are included in the package; other accessories are not included.