Compatibility: The H11 true HEPA filter compatible with JINPUS GL2103, also compatible with RIGOGLIOSO GL2103 and LTLKY 900s 3-Stage Filtration: This 3-in-1 HEPA filter through the pre-filter, true HEPA filter and activated carbon filter triple filtration, can capture 99.97% of the dust, hair, pet hair, smoke, cooking odors etc. Replacement Cycle: For the best performance of the air purifier, it is recommended to replace the filter every 3 months. Easy to Install: air and a in a just few steps Color: white + gray material: plastic Package Contents: 4 x hepa filter Only the above package content, other products are not included. Note: Light 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.