Fangrui Product Details [compatible Models]this Nail Dust Collector Filter Is Only Compatible With For Nail Dust Collectors, For Model Hpro/ Spror. Not Fit For Other Models. Please Check Your Model Before Buying. [ High Filtration]premium H12 True Hepa Nail Dust Filter Can Collect Of Fingernails, Nail Dust, Fly Ash And Other Small Particles, Effectively Improving The Air In Your Environment. [hepa Reusable Filter]our Hpro Nail Dust Filters Are Designed To Be Reusable. We Recommend That You Your Filter Every 3-4 Months To That It Continues To Effectively Collect Nail Dust For Optimal Performance. [easy To Clean]please Use Hair Dryer Or Soft Makeup Brush To Clean The Nail Dust On The Filter, Which Keep The Filter Clean And Running Efficiently. Keep Your Air Environment Fresher And Healthier. [cost-effective]6pack Hpro/ Spror Nail Dust Collector Filters Are Included In The Package. We Recommend That You The Filter Every 3-4 Months For Optimal Performance. (note: Under Normal Conditions And Enviro