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four-stage filtration process
🔧 Complete System
then reseats when conditions normalize
and instructions included for professional or DIY installation
transfer the push-connect fittings from your old filter to the new cartridge using Teflon tape for a secure seal
H2O-(H2O-US3) 5 Stage Under Sink Filter w/ Faucet 6 inch Length or Q53xx Series four-stage filtration processThe H2O International US3 delivers five stage filtration directly under your sink, combining KDF media and granular activated carbon to remove chlorine, lead, sediment, and bacterial growth. This complete system includes a dedicated drinking water faucet and connects to standard plumbing with all necessary tubing, fittings, and hardware for straightforward installation. SPECIFICATIONS H2O US3 Under Sink System Overview Filtration Stages 5 Stage KDF