Brita Maxtra+ Marella Cool Water Filter Jug - White The Marella Water Filter Jug  from BRITA MAXTRA is supplied with 1 x new BRITA MAXTRA+ Filter Cartridge. Boasting MicroFlow technology that uses natural coconut shells to reduce impurities, chlorine, limescale, lead and copper from your tap water, the water filter offers an eco-friendly alternative to bottled 