Rocket Espresso Water Reservoir Filter - pack of 2

Water Reservoir Filter Pack of 2 Put this sachet into your reservoir and it will keep the balance in your water minerals to extract that perfect shot. This a new updated product made by BWT and can be used for 100 litres of water before being replaced. For domestic use this would be approx 6 months use or 1666 coffees at 60ml per coffee (while it says 2 months on the packet that would be for extremely high usage).