FROG @ease In-Line SmartChlor Cartridge 3-Pack

Description

For hot tubs with the In-Line Holder installed up to 600 gallons
Kills bacteria 2 ways with minerals and SmartChlor
Self-regulating for continuous crystal clear water
Up to 75% less chlorine use with no yo-yo chlorine levels
Pre-filled cartridges for no mess, no guess, no stress!
**Works with Inline systems FACTORY-INSTALLED on spas including: Marquis, Caldera, Emerald, Coast, Saratoga, Watkins Hot Spot, Catalina, Cal Spas, Leisure Bay