This Puroflo Activated Carbon Block Filter is the perfect addition to your water filtration system. With a standard size of 10 inches and a model number of 91289/N 2.5 X 10, it is compatible with Puroflo and other carbon block filters. The filter is designed to remove impurities and contaminants from your water, ensuring that you have clean and refreshing drinking water. The white filter fits perfectly into your water filter and is easy to install, with a height of 10 inches. It uses carbon block filtration to remove chlorine, lead, mercury, and other harmful substances from your water. This filter is ideal for anyone who wants to have pure and refreshing water without any impurities.