HIGH QUALITY: High-efficiency material, dense foam that will ideal for wet pick-up COMPATIBILITY: Compatible with SL18115, SL18115P, SL18116, SL18116P, SL18191P, SL18199P, SL18117, SL18701P-10A, SL18410P-5A, SL18410-5B, PCX18406-5B,SL18125DC,SL18125P,SL18125P-1,SL18127P,SL18143,SL18115P-4H,SL18143-5B,SL18199PT,SL18415-6B,AT18503-10A WASHABLE AND REUSABLE: You can use it again after drying WARM TIPS: It is recommended that the filter be cleaned every 1-2 months PACKAGE DIMENSION: 0.5" L x 7.87" W x 13.58" H