For 50 years, Poly Processing has been the industry leader in chemical storage tank innovation and manufacturing. Poly Processing has recently announced a lineup of six new large 13'- 9" diameter tanks. These tanks include the Vertical Tank, the IMFO® (Integrally Molded Flanged Outlet)Tank and the Sloped-bottom IMFO Tank. These tanks represent the best engineering and design in the tank manufacturing industry, and they are covered under PPC’s industry-leading warranty.