you can replace your at once when your old filter get dirty, buy with confidence. COMPATIBLE FILTER MODEL: Fits for wet/dry vacuum cleaners,,It designed for most for Shop-, Genie, and 5-16 gallon shop vacuums , Replace Part # 90585 & 9058500. WASHABLE & REUSABLE: The foam sleeve filters is washable and reusable,you can clean it with water,after drying,you can use it again. PERFORMANCE: It is recommended that the filter be cleaned every 1-2 months for performance. NOTE:this Filter is - 9058500 - for Shop- Foam Sleeve. NOT Type MM Type CC or other models and following customer's review have narrowed the foam filter. Color: black Material: foam Package Contents: 15 x 90585 Foam Sleeve Only the above package content, other products are not included. Note: Light reflection 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.