Delabie Biofil are anti-Legionella and all-germ shower head filters designed for 2-months life-span after installation. The shower heads are manufactured from ABS with a tubular microfiltration and membrane made from polyethylene. Pore cut-off threshold: 0.1μm nominal and 0.2μm absolute sterilising grade. Qualified water volume per duration of use: 6,000 litres. Filtration flow rate: 6 lpm at 1 bar, 11.2 lpm at 3 bar and 13 lpm at 5 bar (filter only, excludes any flow rate restriction in the tap). Thred connection M1/2"to connect with shower hose. Maximum upstream pressure at the point-of-use: 5 bar. Resistance to thermal shocks: 70°C for 30 minutes. Resistance to chemical shocks: active chlorine levels up to 100 ppm for 2 hours (cumulative total). Individually wrapped, sterile. Weight of full filter  is 186g.