New PRS Locks up Crypto by trapping 99.9% in the filter. The PRS System also features:

Enhanced Filtration Down to 0.5 Micron
Improved Water Clarity and Safety
Effective Floccing of Oils, Eliminating Need for Enzyme Treatment
Improved Efficacy of UV Systems
Reduced Fouling of Controller Probes
Biodegradable
Available in 5 and 55 Gallon Kits