Profile: AMI Enterprises provides polypropylene spun cartridge, P. P. wound cartridge, resin bonded cartridge, activated carbon cartridge, P. P. pleated cartridge, and S. S. sintered metal cartridge, pleated wire mesh cartridge, pleated PTFE cartridge and ceramic cartridge. Polypropylene spun cartridge is designed for purity, bacteria and chemical resistance. P. P. wound cartridge provides extensive quality control procedures that assures uniform product consistency. Resin bonded cartridge has the ability to withstand high differential pressures.