3M Under Sink Drinking Water Filter Kit - AP2-C405-SG

The filter cartridge should be replaced every six months or after filtering 4000 litres of water, whichever comes first, to maintain optimal performance.

No, this filter is designed to reduce contaminants like lead, bacteria, chlorine, sediment, and cysts. It does not remove dissolved solids such as fluoride.

Yes, the AP2-C405-SG filter is bacteria rated, providing effective filtration against microbial contaminants.

The carbon block filtration is rated at 0.5 microns.

This specific kit is designed to connect to your existing cold water tap. It does not include a separate faucet.

Yes, the system is designed as a DIY setup for easy installation and maintenance.

It reduces protozoan cysts (like Cryptosporidium and Giardia), lead, chlorine (improving taste and odor), sediment, and other suspended solids.

Check that the water supply valve is fully open. Ensure the filter cartridge is correctly installed and not past its replacement date. Check for any kinks in the tubing.

Verify that the filter cartridge is properly seated and tightened. Ensure the O-rings are clean and in place. Check tubing connections for tightness.

The filter cartridge may be exhausted and needs replacement. Ensure the system was flushed correctly after installation.

Ensure the water supply is turned off. Some users find a filter wrench (if provided or compatible) helpful for initial removal, though it should twist off by hand when new.