AJR Filtration is the largest independent manufacturer of nominal and absolute efficiency liquid bag filters, liquid cartridge filters, and custom specialty filters in the U.S. The company produces filter bags with plastic flange and metal or plastic ring seal styles, designed to fit most vessels and housings in the industry. Many bag filters are available with fully welded construction. The liquid cartridge filter line includes string-wound, melt blown, pleated, and carbon-wrapped cartridges. AJR also offers hard-to-find, discontinued filter styles from FSI and other brands and replacements for most standard filter housings. Additionally, AJR can custom design and fabricate filters to meet specific requirements.