HDG-45LRCP - 4 Stage RO System

Keep your drinking water clean and safe with the Hydro Guard™ HDG-45 Series Reverse Osmosis System. It reduces the levels of lead, nitrates, cysts (cryptosporidium, giardia), arsenic, sodium and other contaminants commonly found in unfiltered tap water. The easy to install system offers you quality water at your fingertips 24 hours a day, 7 days a week, 365 days per year. Hydro Guard Quick and Easy SM Cartridges makes filter changes fast, convenient and sanitary. Your family, friends and pets will love the taste and enjoy all the benefits of healthy water.


Product Details

Our Hydro GuardTM line of water filtration systems have are simple to install and even easier to maintain. We want each and every one of our customers to enjoy all the benefits of having their own mini water bottlingplant underneath their sink. Our compact design and our Hydro Guard Quick and Easy SM make filter change outs easy and convenient. Simply install any one of our Hydro GuardTM water filtration systems and enjoy all the benefits of cleaner, safer, tastier more refreshing water, filtered at the point of use not days, weeks or even months before!


  • Designer Lead Free Faucet provides elegance and durability
  • SHOK BLOK™ - Filter Protection Valve
  • 4.5 Gallon Storage Tank
  • FLOWLOK TM - Leak Detector Water Shut Off Valve
  • No tools required for filter change

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Hydro Guard Manufactures the worlds best water filters and filtration systems. Our global brand stands behind every product that is manufactured - Our mission... To provide the worlds population with healthy, clean, safe water.


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Hydro Guard Water Sciences
PO Box 2235
Chino Hills, CA 91709 USA

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