3M™ Aqua–Pure™ Whole house large sump replacement water filter drop–in cartridge AP811–2, is suitable for water filtration. This standard 4.5" diameter by 20" 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
• 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 polypropylene manufacturing process, helps capture and retain sediment from within your water. With these features, AP811–2 is a great choice in water filtration. Features include: Flow rate up to 45 gpm/170.3 lpm (housing dependent), six months (varies depending on local water quality), 4.5"/11.4 cm by 20"/50.8 cm, 25 to 125 psi/172 to 862 kPa pressure range, 4.4 to 37.8 °C (40 to 100 °F) temperature range.

To maximize system performance and efficiency, regularly scheduled maintenance including replacement of the filter cartridges at the required interval, at the rated capacity, or sooner if a reduction in water flow occurs is required. Filter life is dependent on actual use and incoming water quality.