The Whirlpool WHEERF Reverse Osmosis Pre/Post Water Filter is a 2-pack of water filters designed for household use. Made by Whirlpool, these filters are compatible with the Whirlpool WHAROS5 model and are effective in removing contaminants such as chlorine, sediment, cysts, lead, chemicals, and dissolved solids. Perfect for ensuring clean and safe drinking water in your home, these filters are a convenient and reliable solution for your water purification needs. Bin#A20-pmb-item#hg1