Hoover vacuum type Y Paper Bag: Micro-filtration vacuum bags designed to fit the Windtunnel, Windtunnel V2 and Goldstar models using Type Y bags. Traps microscopic particles and allergens. 99.7% Filtration. This item is sold 3 per package.  Fits Hoover WindTunnel, CH53005, C1703900 uprights Type Y (OEM# 4010100Y, 43655-109, 4010801Y)

These vacuum bags are commercial grade