Graphite Coated Leather Cups Prevent Fast Absorption Of Water And Act As Lubricant To Reduce Binding Of The Plunger In The Cylinder. Three To Four Times Longer Life Span Than That Of Standard Cups.
Its great, our dogs love it. I suggest you highlight that the filter needs to be changes around every two weeks and you offer addition filters to be purchased. After reading the instructions I realized I needed to buy additional filters which I bought from Takealot.
