The Shop-Vac Reusable Paper Disc Filter 901-07 is a set of 3 blue filters designed specifically for Shop-Vac vacuum cleaners. Made of paper material, these reusable filters are compatible with the Shop-Vac brand and model Type T. The set includes 3 filters, perfect for keeping your vacuum cleaner clean and efficient while also being environmentally friendly. These filters are a convenient and cost-effective solution for maintaining your Shop-Vac vacuum's performance.