Aroma Sense Q Vitamin C Filters for the Aroma shower system. The shower system is a patented new technology that offers a chlorine-free shower with a Vitamin C aroma. The Filters eliminate 99.99% of chlorine from water and contain an advanced formula pharmaceutical grade Vitamin C and natural essential oils. This pack contains 3 x Lemon, 1 x Rose, 1 x Eucalyptus and 1x Scent Free filter. Each filter lasts approx. 6,000 litres (About 3 months for a family of 4 taking 1 shower a day).