BWT Penguin Magnesium Mineralizer Water Filter Cartridge – 3 Pack.
 
Refill cartridges for your BWT Penguin 2.7L Magnesium Filter Mineralizer Water Jug.
Where your coffee machine can’t be plumbed into the mains water supply and uses a water reservoir, use can use the BWT Jug to soften and mineralise your tap water.
 
Calcium in our tap water is the number 1 enemy of your coffee machine which causes build-up in your machine leading to clogging in it’s internal hydraulics.