[High Efficiency Filter]: Composed of composite PP and PET clear out paper, this i3 robot vacuum cleaner clear out alternative can effectively block 99% of pollution as small as zero Micrometres, creating a broad contribution to maintaining the fitness of your family. [Roomba E I Series Filter]: This i7 vacuum filter replacement is acceptable for iRobot Roomba e, i and j sequence E5(5150) E6(6198) i3(3150) i3+(3550) i4(4150) i4+ i6 +( 6550) i7(7150) ) i7+i7+(7550) i8 i8+ j7(7150) j7+(7550) Plus Robot Vacuum Cleaner. Note: Roomba j7+/plus filter is available in two sizes, they appear very similar, please confirm product size 2 within the picture. [Easy to Install]: This high-efficiency filter replacement is really easy to put in on your vacuum cleaner, no instruments required. Tip: To preserve your robot vacuum operating at optimal performance, we promote cleaning the clear out with a small cleaning brush as quickly as a week or twice a week, cleaning it with pets at home, and changing it each 2-3 months once. [Cleaning Methods and Recommendations]In order to guard the electrostatic adsorption ability, please use a small cleaning brush to frivolously clear the i3 i7 robotic vacuum cleaner filter out aspects always with replacement, that might carry revenue and increase the HEPA provider existence via three times. Please notice that this i3 robotic vacuum cleaner filter out alternative is not washable. [Package List]The package consists of 12 high-efficiency i3 i7 robotic vacuum filters. This robotic vacuum clear out replacement measures 2 inches x 1 inches x zero inches. Before purchasing, examine the dimensions of your alternative vacuum filter, particularly the Roomba j7++ model, which is supplied in two sizes. Colour:black Material:hepa Package Contents: 12 x Filters Only the above kit content, assorted item usually are not included. Note: Light reflection and different reveals may cause the colour of the article in the photograph a little bit different from the genuine thing. The measurement allowed error is +/- 1-3cm.