Gravity Ball & Suction Tube for Snow Foam CannonGravity Ball Filter for Snow Foam Cannon Dirt Filtering & Soap Sucking Efficiency Keep your snow foam cannon running smoothly with this effective Gravity Ball Filter. Designed to filter out dirt and debris from your cleaning solution, this filter ensures your foam cannon sucks up only clean soap liquid, preventing clogging and damage. The gravity ball moves freely inside the cannon, continuously circulating to maintain a consistent flow of foam for a