Presenting residual sediments and pollutants accumulated on three reverse osmosis water filters after 6 months of home usage

filter cartridges sediment activated carbon sintering technology residue fresh polypropylene filtration system reverse osmosis material safety residual pesticides particle removal water treatment tubular chemical substances pressure resistance remove 9999 bacteria scale particles carbon block micron rate uf membrane heavy chlorine impurities wastewater microorganisms leadfree tapwater home appliances spores environmental friendly residual used pp melt blown spun filters 10 inch display innovative professional sand closeup end caps dirt accumulated accumulation showing bpafree presenting three stage absorbing mud pp pad home