The series connection of two or more such filters can fully cover the needs of a house (removal of solid particles, dechlorination, reduction of heavy metals, etc.). The large cross-section of the filters (1/2″ to 1″) favors a large supply of water, while their increased resistance to high pressure allows their installation in almost every home. It has a tightening key and a wall hanging base. They are usually equipped with solids filters to remove dirt, rust and sand and activated carbon filters for basic water dechlorination by placing them under the kitchen counter. Accepts all 10″ replacement filters, central supply filters are intended for whole house water filtration and polypropylene filters are usually selected, activated carbon filters are selected for under the kitchen counter inline on the cold faucet supply. Before buying them, make sure you have access to your home's water supply pipes and it would be good to contact a professional plumber for their installation. Their regular maintenance, filter change, cleaning, lubrication is also important to prevent the wear of the filter case and the drop of water pressure in your home. Certified by: