PUR 2-Stage Water Pitcher Replacement Filter for $11.73. Shipping is free on orders over $25. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. The filter reduces lead, 99.9 percent of microbiological cysts, and over 96% trace levels of pharmaceuticals and one single filter provides up to 40 gallons (1 to 2 months) of clean water.