Put in filter cage on to the lid by twisting. Include water and discard initially pitcher of water to flush out system. Activate the electronic indicator. Exchange the water filter every forty gallons or improve filter as directed through the Digital indicator. Tend not to use with very hot water. https://waterfilter00887.bcbloggers.com/14977865/the-basic-principles-of-how-to-reset-pur-water-filter-light