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©2011 ErtelAlsop All rights reserved
ErtelAlsop, the result of a merger between Ertel Engineering, and Alsop Engineering, has been producing depth filter media, plate and frame filter presses, and enclosed disk Pak™ lenticular filters since the early 1920's.
ErtelAlsop is the only US based manufacturer of a complete line of liquid depth filtration products, including laboratory filters, plate and frame filter presses, membrane filter presses, cellulose filter pads, filter sheets, filter paper, Pak™ lenticular filter cartridges and lenticular depth filtration housings.
This variety allows us to assist you in the complete scalability of your application, from small batch to full production. We can design and manufacture your filtration system and provide the appropriate filter media to achieve the clarity and functionality your application requires.
ErtelAlsop's customer base includes numerous long-term users, some dating back to the company's origins. ErtelAlsop specializes in filtration for the pharmaceutical market, food and beverage market, chemical market, flavor and fragrance market, electric utility market, industrial waste water market, metals and mining market, and waste water remediation market.
ErtelAlsop engineers will work with you to design and manufacture the optimum filter press for your application with specific focus on quality, productivity improvements and optimization, cost reduction, and safety. Our commitment to customer service and willingness to modify our designs to meet customer requirements, plus our product warranty and process guarantee, continues to make ErtelAlsop stand apart from our competitors.
ErtelAlsop offers the widest variety of pilot-scale filters for depth filtration. 
With over 300 precision filter sheet dies, and our Stacked Disc Pak® filters, ErtelAlsop can accommodate virtually any size or style filter. 
Our EA Series Filter Presses are among the most efficient means of liquid/solid separation through pressure filtration; either for solution filtration or sludge volume reduction.