can you confirm that there are genuine *FreshWater Salt System* cartridges - as opposed to a knock-off? Thanks

Questions & Answers: FreshWater Salt System Cartridge - Water Treatment Replacement Cartridge for Spas & Hot Tubs - Easy Maintenance - Supports Natural-Feeling Water to Help Prevent Dry Eyes & Itchy Skin (3 Pack)

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FreshWater Salt System Cartridge - Water Treatment Replacement Cartridge for Spas & Hot Tubs - Easy Maintenance - Supports Natural-Feeling Water to Help Prevent Dry Eyes & Itchy Skin (3 Pack)

Ensures crystal-clear water: Formulated to maintain optimal pool and spa clarity for a refreshing swimming experience.
Optimizes water balance: Helps regulate essential chemical levels, promoting a safe and comfortable environment.
Prevents algae growth: Effectively inhibits algae formation, reducing maintenance time and effort.
Protects pool equipment: Guards against corrosion and scale buildup, extending the lifespan of pumps and filters.
Easy application process: Designed for straightforward use, allowing for hassle-free routine maintenance.

$216^.00 –