King Technology Frog @Ease Inline Spa Sanitizing System

Features :

• For hot tubs with the In-Line Holder installed up to 600 gallons
• Kills bacteria 2 ways with minerals and SmartChlor
• Up to 75% less chlorine use with no yo-yo chlorine levels
• Pre-filled cartridges for no mess, no guess, no stress!
• Unique out indicator on the FROG @ease Test Strips