The For Waterdrop WD-PF-01A Plus Replacement Filter is a 3-pack designed specifically for all Waterdrop Pitcher models. Made from activated carbon and resin, plastic, and lead-free food-grade material, this filter effectively removes chlorine taste and odor, making it suitable for household use. With a filtration method of carbon block, this water filter ensures clean and safe drinking water for your convenience. The manufacturer, Wasserdrip, offers a 3-month warranty, and the item dimensions are 5.5 inches in depth, 3.2 inches in height, and 8.1-9 inches in width. Made in China, this filter is a reliable solution for your water purification needs.