HALBECK Wendorf Water Company is now part of Halbeck Industrial. Same great service! Support portal »
Welcome to the NEW Wendorf Water Company web site!  •  The Perpetua Element Care video is now available on DVD, ask your dealer  •  Visit us at the Wisconsin Water Well Association show, Stevens Point, April 12-14  •  Model 7B: over one million units in service!

Clean water for the life of your home.

The Perpetua whole-house filter installed in a Wisconsin basement

A Perpetua Model 7B on the job in a Manitowoc County farmhouse. Installed 1996. Still running.

Since 1978, the Perpetua™ whole-house filter has delivered clean, clear water to more than one million homes, farms, schools, and churches across the Upper Midwest and beyond. One ceramic element. One automatic daily backwash. No cartridges to buy, no filters to throw away. Clean the element, replace the wrap, and the Perpetua will serve your family for the life of your home.

We are a small company in a small town, and we build one thing. We build it to last, and we stand behind it with the strongest guarantee in the industry. Read it here.

What sets the Perpetua apart

The Element
A sintered ceramic candle with a silver-impregnated core, designed by Lorraine Wendorf. Cleanable, not disposable. Learn more		 The Cycle Head
Every night at 2:00 AM your Perpetua backwashes itself. You never touch it. That is what continuous operation means.		 The Guarantee
Lifetime Guarantee of Continuous Operation, embossed in brass on the front of every unit. Our word, in metal.
See the PerpetuaFind a dealerOwner's manualContact the factory

Family owned since 1961

Vern and Lorraine Wendorf at the plant

Vern and Lorraine Wendorf, Kessel Falls plant, 1988.

"We named the filter after our daughter because we intended it to outlast us. It will." V.W.

NEWElement Care on DVD

Our 22-minute guide to cleaning and caring for your Perpetua Element is now on DVD. Free from your dealer or from the factory. VHS still available.

Dealer of the Year 2006

Congratulations to Fox Valley Water & Well, Appleton, our 2006 Dealer of the Year. Eleventh straight year over 400 units.

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