ACTIVE Spa Hot Tub Filter Cleaner - 32oz (2-4 Uses) Cleaning Soaking Solution, Hot Tubs & Pool Cartridge Cleaner, Natural Power Degreaser to Revive & Prolong O-Filters Life Time - Made in USA

Best Value Cleaners: ACTIVE Spa Filter Cleaner for Hot Tub comes in a Concentrated 32 oz Liquid. Depending on the size of your cartridge filter, this will last for 2+ Treatments., Easy Overnight Soak: Dilute ACTIVE Pool Filter Cleaner in 4 Gallon of Water per 16oz and soak filter for 12 Hours. Compare to Tablets, Spray,or other "Instant" Formulas that don't give your filer a thorough wash, Extend Cartridge Life: Use ACTIVE Pool Cartridge Filter Cleaner is an eco conscious choice to wash and guard your swim pool or hot tub filter, saving you from countless replacements., Wide Filter Compatibility: ACTIVE Hot Tub supplies clean all pleated filter cartridge such as VI, IV, S1, D. Compatible with all brands including Intex, Pleatco, Guardian, Filbur, Future, Bestway, Spaguard, Poolpure, HTH, Tier1, Unicel, Hotspring, Marvel and More, Proudly Made in USA: ACTIVE Professional Grade Pool Filter Cartridge Cleaner designed & manufactured in United States with Chemistry-Backed ingredients for your trust.