SeaKlear 1140201 Quart Spa Filter Cleaner & Degreaser SeaKlear Spa Filter Cleaner & Degreaser effectively soaks and deep cleans filters of all types Compatible with all filter types Restores filter efficiency Non-acid based cleaner Made in the United States Filter cleaner and degreaser effectively soaks and deep cleans filters of all types Removes grime, oil, and organic debris Compatible with all filter types Restores filter efficiency; non-acid based cleaner Available in 1-quart