This seems like an excellent deal - brita filtered water always tastes perfect. This is available in store but also available online. Not sure if it's working online though as I tried adding it to my basket and it came in at £30 even thought it states on the website half price to £15.
This Brita Elemaris fridge jug features the Brita meter, an intelligent indicator to ensure optimum Brita quality by measuring water hardness, volume and time.
Offering convenient single-handed filling with unique automatic pour through the lid, the Brita Elemaris jug is ergonomically designed to fit in your fridge door.
Featuring the unique maxtra flow to ensure perfect water filtration, the Brita Elemaris water filter has a capacity of 2.4L.