Philips GC004 / 00 Pack of 4 cartridges for descaling steam plants PerfectCare Philips Pure (GC76XX) (Kitchen)
4 cartridges = 1 year of use ??? And then see that it is according to the water hardness, the number of cart that passes etc ... My experience is that I iron pans 3-4 linen per week and a single cartridge holds 15 days before being changed. So add th