LQF-504S / Removal lead activated carbon block Quick change Cartridges Filter Filter Spec Place of Origin Taiwan Brand Name LifeTech Model Number LQF-504S Filter Spec. LQ Cartridges Filter Filter Material Activated carbon block Metsorb HMRG Material Origin Activated carbon block : Taiwan Metsorb HMRG : USA Effect Filter chlorine and odor. Cyst, Asbestos Reduction Filter out lead and heavy metals such as   Arsenic, Mercury, Cadmium, Copper, Antimony, Uranium, Zinc, Selenium, Chrome +6 Filter Life (Liters / Months) 25,000 L Applied to LifeTech LQH-500 or Everpure QL2/QL3 Connector Head High density activated carbon block : Port size : nominal 1um, Cyst, Asbestos Reduction Filter chlorine and odor. Iodine number > 1000 Why use high density activated carbon block : Use the 0.5 ~ 1 um high density activated carbon block, relative to the general process. Can get the following advantages : 1. More filter holes 2. Better adsorption and filtration effect 3. Longer service life 4. Low pressure drop Metsorb HMRG : Filter out lead and heavy metals such as   Arsenic, Mercury, Cadmium, Copper, Antimony, Uranium, Zinc, Selenium, Chrome +6 More information, please visit