Home Slickdeals Waterdrop Advanced NSF 53&42 Refrigerator Water Filter Replacements (Various) $9.90 + Free... Slickdeals Waterdrop Advanced NSF 53&42 Refrigerator Water Filter Replacements (Various) $9.90 + Free S&H By ARCOM - 25 November 2018 196 0 SHARE Facebook Twitter Go to the deal page: Waterdrop Advanced NSF 53&42 Refrigerator Water Filter Replacements (Various) $9.90 + Free S&H