Heavy Duty Filters Blueprint Heavy Duty Filters Blueprint is a level 7 mechanical component blueprint. Construction Ingredient Amount TT MU (%) Total Melchi Crystal 1 0.04 0.04 Zinc Ingot 1 0.30 0.30 Sum: 0.34 PED 100.0% 0.34 PED Product: Heavy Duty Filters Acquisition No acquisition data available for this item.