FROG® @ease SmartChlor Cartridge 3-Pack | Floating System Fireplaces & Stoves more substantial material that stands

more substantial material that stands up better to repeated cleanings and resists the matting that shortens a filter's life

1 x Mounting Plate

Quadra-Fire: QFI30

Pro Tip: If you own a Sundance spa built before 2006

Calcium scale coats heaters and reduces their efficiency

FROG® @ease SmartChlor Cartridge 3-Pack | Floating System Fireplaces & Stoves more substantial material that standsThe FROG @ease Floating SmartChlor Cartridge (3 Pack) is the multi pack refill for the universal @ease floating sanitizing system the version that drops into your hot tub rather than seating in the filter compartment. Each cartridge is the chlorine generating half of the @ease pair, designed to release a low, steady level of sanitizer using SmartChlor Technology while floating in your spa. For most spa owners, SmartChlor cartridges are the most