【Product Content】You Will Receive 3 White Round Filter Diaphragms. Each Filter Diaphragm Is 2*1Cm In Size, White In Color And Eptfe Material, Suitable For Multi-Functional Applications Such As Waterproof, Breathable And Dust-Proof Filtration. 【Product Material】This Product Is Made Of Eptfe Material. It Has Excellent Breathability And Waterproof Performance. It Can Also Effectively Filter Dust And Impurities, Extend The Service Life Of The Product, And Is Suitable For Various Occasions Where Dust And Breathability Are Required. 【Multifunctional Design】This Product Is Designed With Creative And Multi-Functional. In Addition To Being Used For Filtration And Dustproof, It Can Also Be Widely Used In Electronic Products, Instruments And Equipment And Other Places Where Waterproof And Breathable Are Required, Providing Comprehensive Protection For Your Equipment. 【Easy To Use】These Filter Diaphragms Are Easy To Use And Easy To Paste. Just Stick Them In A Place Where Dust And Waterproof Are Needed To Effectively Prevent Dust And Moisture From Entering, Making Them Easy To Operate And Save Time And Effort. 【Widely Used】This Product Is Suitable For A Variety Of Occasions, Including Electronic Equipment, Instruments, Household Products, Etc. It Provides Waterproof, Breathable And Dust-Proof Filtration Functions, And Is An Ideal Choice For Protecting Your Equipment And Products.