Monocre solvent traps have a single core, and most have a hole that runs the entire length of the baffle. Because of their single construction, they are very stable and less prone to damage. Because the end caps are still sealed, they are allowed to have a single core until they receive Form 1 approval.The aluminum monocore solvent traps are made of 7075 aircraft grade aluminum. It has the characteristics of durability, corrosion resistance, lightness, etc. It is one of the most cost-effective materials.