The AquaCera Imperial In-Line Quick Change system utilizes AquaCera filter technology with a sediment wrap on the outside of the ceramic with a unique carbon-bond core. Reduces chlorine, VOC's, Arsenic, Fluoride, heavy metals, as well as bad tastes and odors. Installs under the sink and connects to your plumbing with push fit connections. Available with or without a DIY installation kit. When purchasing with the DIY kit, it will come with fittings, hoses, and chrome or brushed nickel faucet.