DURASTILL 2-PACK WATER DISTILLER FILTERS FOR DURASTILL DISTILERS (BLUE) POST-FILITER 6" INCH # PST 6 (BLUE) EMB-BL 200-313 THE HIGHEST QUALITY FILTERS IN THE WORLD AND ONLY FILTER APPROVED BY U.S. NSF MADE IN USA 2-PACK: WE SELL ALL TYPES OF OTHER FILTERS GREEN & GOLD PRE-FILTERS, POST-FILTERS, ETC. & CHEMICALS DISTILLER DISCALERS & CLEANERS FOR DURASTLL WATER DISTILLER FOR 110 VOLT & 220 VOLT OVERSEAS EXPORT MODELS. DURASTILL 2-PACK WATER DISTILLER FILTERS FOR DURASTILL DISTILERS (BLUE) POST-FILITER 6" INCH # PST 6 (BLUE) EMB-BL 200-313 THE HIGHEST QUALITY FILTERS IN THE WORLD AND ONLY FILTER APPROVED BY U.S. NSF MADE IN USA 2-PACK: WE SELL ALL TYPES OF OTHER FILTERS GREEN & GOLD PRE-FILTERS, POST-FILTERS, ETC. & CHEMICALS DISTILLER DISCALERS & CLEANERS FOR DURASTLL WATER DISTILLER FOR 110 VOLT & 220 VOLT OVERSEAS EXPORT MODELS.