The foam filter and post-motor filter perfectly fit the vacuum cleaner without NEC222. Compare to part numbers Z0801 and Z0901. The high-strength and environmentally friendly material can capture and trap up to 99% of fine dust down to 0.3 Micrometer, keeping you free from dust. Note: The washable filter must be completely dry before putting it back in your vacuum cleaner. Material: Plastic Color: As shown Package Contents: 4 Filters 2 Cotton Filters Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.