Channellock 5 to 20 Gallon Standard Vacuum Cartridge Filter is for efficiently vacuuming household dirt, debris, sawdust, and car dirt. Designed to fit 5 to 20 gallon Channellock units as well as most Shop-Vac 5 gallon and larger wet/dry vacuums, this versatile filter reliable performance. Its durable construction ensures a longer lifespan, providing great value and consistent cleaning power. The package includes both the filter and retainer for easy installation and maintenance. Model Number: