and Made of material, more durable. Fit for S4000, S5000, S6000, S8000, C2-C3 Complete, C1-C2 Compact series cylinder vacuum cleaners. for -HA 50 Hepa Airclean Safely traps fine dust and . It is suggested that filter should be replaced every year. Filters even fine dust and - perfect for those with house dust allergies. Colour: White Material: plastic Package Contents: 4 x Filter 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.