Contact us for expedited shipping options. The OptiPure CTOS-Q is a quick-twist replacement cartridge for the OptiPure QTI-1 water filtration system. This filter reduces sediment down to 1/2 micron and also reduces chlorine and odor. The CTOS-Q helps...

Contact us for expedited shipping options. OptiPure’s QTI-1 water filtration system features a 15" quick-twist carbon filter cartridge that reduces sediment down to 0.5 microns and reduces chlorine, odor, and scale. The QTI-1 features a patented...