Oil Filter Screen

These Moroso oil filter pre-screens are designed to fit between the filter and block. The screens are made of 304 stainless steel and can trap small particles in the mesh before they reach your engine oil. Removal allows easy "early warning" engine inspections without having to cut open a messy oil filter. These Moroso oil filter pre-screens are designed to fit between the filter and block. The screens are made of 304 stainless steel and can trap small particles in the mesh before they reach your engine oil. Removal allows easy "early warning" engine inspections without having to cut open a messy oil filter.