CULLIGAN INT PIT-1 RV Trailer Camper Kitchen Water Pitcher Filter System Fresh Water Filter; Fits To Most Refrigerator Door; 2-Quart Pitcher Filter; PR-1 Filter Cartridge; Reduces Bad Taste/Odor/ Aesthetic Chlorine Taste/Odor/ Mercury/ Copper/ Zinc/ Particulate Class VI; Filters Up To 50 Gallon Capacity; Single