... petrochemical, refinery and oil field applications. cartridges aremanufactured from premium grade phenolic impregnated ... cartridges are availablein 3µ, 10µ, 12µ, 22µ, and 100µ pore sizes. • High surface area • Low pressure drop • Materials compatible ... with most applications • High filtration efficiency • High dirt-holding capacity • rugged construction parker Fulflo 336 Pleated Cartridges ...