3M™ Aqua–Pure™ Whole House Large Sump Replacement Water Filter Drop–in Cartridge AP811, is suitable for water filtration. This standard 4.5" diameter by 9.75" length drop–in cartridge is manufacturer tested and verified to reduce sediment down to 25 µm nominal. It’s ideal for larger homes with at least 2.5 bathrooms.

• Reduces sediment for cleaner and clearer water
• Cartridge manufactured using 3M polypropylene process
• Grooved surface increases total surface area for longer cartridge life as compared to 3M non–grooved surface cartridges
• Rigid construction helps to reduce sediment “unloading" due to variances in water pressure

"Its rigid construction from our polypropylene manufacturing process, helps capture and retain sediment from within your water. With these features, AP811 is a great choice in water filtration. It’s ideal for larger homes with at least 2.5 bathrooms. Features include: Flow rate: up to 20 gpm/75.7 lpm (housing dependent), 6 months (varies depending on local water quality), 4.5"/11.4 cm by 9.75"/24.76 cm, 25 to 125 psi/172 to 862 kPa pressure range, 4.4 to 37.8 °C (40 to 100 °F) temperature ranges."