Description.100% brand new and high qualityEffective filtration of dust and allergy particles.Removal of indoor odours, such as cigarette smoke.Reduces bacteria in the air blown by air conditionersMaterial: Non-wovenSize: (40 x 35) cm / 15.7 * 13.8 inchesPacking list.Set I.1pcs air conditioning filterSet 2.2pcs air conditioning filterSet 3.3pcs air conditioning filterSet 4.4pcs air conditioning filterSet 5.5pcs air conditioning filterSet 6.6pcs air conditioning filterSet 7.8pcs air conditioning filterSet 8.10pcs air conditioning filterDelivery according to the set selected Please note(no accessories other than the product are included)Attention.1. The monitor used is not the same, the computer is not the same, the angle of photography is not the same, there may be angle colour problems.2. Pure manual measurement, there may be 0-1cm error.