$28.99
Spa Marvel Filter Cleaner is a powerful hot tub filter cleaner that doesn’t utilize harsh acids or bleach, and removes and loosens oil, hair, dirt and grime that becomes lodged in the fabric of cartridge filters.  One bottle of Spa Marvel Filter Cleaner provides 8 filter cleanings.  At a fraction of the cost of other filter cleaning products on the market, Spa Marvel Filter Cleaner is the best and most economical filter cleaning agent available.