Hplc Solvent Filter found in: Solvent Inlet Filters, Solvent Filters for /12/54A Pumps, Solvent Inlet Filter for Aijiren HPLC Systems, Solvent Filters.. with a Foxx 25mm, 0.2μm PTFE Filter for safe vapor filtration. The Air Inlet Valve and PTFE Filter blocks out all harmful solvent vapors while also absorbing incoming contaminants from the incoming air.