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Real Problems. Real Solutions.

Sewage pumping stations from small to large will see everything that finds its way into the collection systems. Rags, plastics, wipes, rocks and wood are all common items encountered in today’s sewage that can cause pump clogs resulting in alarms, overflows and even fines.
Muffy protecting pumps

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Together We Can Do Something About It!

Protect Your Pumps!

Protect your pumps from clogs and damage from tough solids, and prevent pumping station alarms, emergency repairs and cleanings, and sewage overflows and fines.


Customize Your Cutters!

We carry different cutter types in a variety of combinations to fit any application, including Wipes Ready®, double-stacked, helical stack patterns, and different thicknesses and tooth counts.

Sewer on beach

Get It Wipes Ready®!

This patent-pending technology shreds wipes into pieces that will not reweave into rag balls; instead the pieces stay in suspension so they can be easily handled by sewage pumps.


We save you money: Muffin Monster’s quality performance not only allows you to spend time on what matters, it also helps you to avoid costly repairs. We offer customized solutions: Waste streams are different so your grinder cutter stacks should be too. JWC customizes solutions that fit to your needs and application. We protect your pumps: Our patented technology helps to protect downstream equipment, ultimately saving you money and hassle. We save you time: Our equipment helps prevent unplanned maintenance. We are reliable: Our patented technology is time-tested for the last 45+ years, and we stand behind our products. We ship fast: Who wants to wait 16 weeks for a grinder? Not us. That is why we ship our Muffin Monsters in two weeks*. * Applied to our most popular 10k and 30k Muffin Monsters, as well as cutter options.

Typical Applications

  • Airports
  • Corrections
  • Digestion and biogas
  • Facilities management
  • Food waste management
  • Headworks – primary treatment
  • Membrane bioreactors
  • Sewage pumping station
  • Septage and grease receiving
  • Sludge processing

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