Dicalite DE Pool Filter Powder 10 lb Polaris Each cartridge lasts up to

Each cartridge lasts up to four weeks

GLB 1-inch tablets are formulated to dissolve gradually

Proper fit is critical for preventing leaks and avoiding premature wear of hose sections

automatically releasing chlorine as needed based on spa usage

Dicalite DE Pool Filter Powder 10 lb Polaris Each cartridge lasts up toKey Fit and Function DE Filter Media Designed to coat DE filter grids for fine particulate removal NSF Certified Filtration Powder Approved for use in residential and commercial pool systems Ultra Fine Filtration Performance Traps particles as small as 25 microns for crystal clear water Universal DE Filter Compatibility Works with all standard DE pool and spa filters Restores Proper Filter Operation Replaces DE lost during backwashing or cleaning