FROG Serene Mineral Replacement Cartridge for Hot Tubs
$37.95
If you're looking for an easy and hassle-free way to keep your hot tub sanitized, look no further than the FROG Serene Replacement Cartridges. Designed for use in the FROG Serene In-Line System or FROG Serene Floating System
FEATURES:
Pre-filled replacement cartridges for no mess, no guess and no stress water care!