TastePURE RV & Marine Water Filter. Improve the taste and smell of your drinking water for up to 120 days.. Features:. Improves taste and smell of drinking water by removing Chlorine and sediment. Filters to 150 microns. Last up to 120 days. RV and marine approved. CSA low lead content certified and complies with California's AB1953 and Vermont Act 193 Low Lead Laws