Our UHMWPE Bottom-of-the-Bottle Solvent Filter has a unique design that allows tubing to easily pass through to the very bottom of the filter cup. UHMWPE is a durable and economical material that is widely used for general and aqueous-based applications. It's unique mechanics allows the filter to draw solvents from within 0.10 of the bottom of the bottle. It has a porosity of 10µm and is for 1/8OD tubing.