11 Water filtering devices, namely, water purification units for waste water treatment consisting of perforated non-metallic waste pipe with multilayer fabric thereon which has been treated with bacteria and/or microbes for use in waste water and septic waste treatment and which are useable and functional when placed inground; pipes being parts of sanitary facilities, namely, perforated non-metallic waste pipe with multilayer fabric thereon which has been treated with bacteria and/or microbes for use in waste water and septic waste treatment and which are useable and functional when placed inground; water filtering devices, namely, multilayer fabric which has been treated with bacteria and/or microbes for use in waste water and septic waste treatment and which are useable and functional when placed inground.