FROG @Ease Replacement SmartChlor Cartridge for use with Hot Tub FROG @Ease Floating System - Hot Tub Sanitizer System Supports Less Chlorine Use - 3 Pack Blue/Red/Purple/Yellow Grips throughout the disc are

Grips throughout the disc are great for tugging

KPRS-X Heel Cushioning

UPC: 888167635934

FST 750 IQ Dragon 2008-2010

By the way

FROG @Ease Replacement SmartChlor Cartridge for use with Hot Tub FROG @Ease Floating System - Hot Tub Sanitizer System Supports Less Chlorine Use - 3 Pack Blue/Red/Purple/Yellow Grips throughout the disc areBrand: FROG Color: silver Features: Hot Tub Replacement Cartridges: FROG SmartChlor Cartridges are designed for use with the FROG @ease Floating Sanitizing System; perfect for hot tubs up to 600 gallons Self Regulating Water Treatment: SmartChlor Cartridges require no maintenance or monitoring; each cartridge lasts 3 to 4 weeks depending on the size of your tub and how often it is used Cartridges Support Less Chlorine Use: SmartChlor is a patented