Foxx Life Sciences PUREGRIP® Universal HPLC Solvent Resvor. Caps & Bottle system offer the safest & most ergonomic lab safety solution in the industry. This system come w/ VersaCap®, a Class VI PTFE Manifold, chemically resistant Viton O-Ring & Air Inlet Valve combined w/ a Foxx 25mm, 0.2m PTFE Filter for safe vapor filtration.The Air Inlet Valve & PTFE Filter block out all harmful solvent vapors while blocking any incoming contaminants from the incoming air.The sealed VersaCap® design that Foxx offers eliminates tubes twisting as you thread the cap & eliminates the tubes from sliding in & out of container.Each assembly comes w/ VersaCap® GL45 Cap, Manifold & Bottle Assy., Safety Inlet vale w/ filter, fittings for 6x 3.2mm (1/8") OD Tubing, 6x 1.6mm (1/16") OD Tubing & 6x Suitable Plugs blocking of unused ports.*Filter absorbs contaminants from the flowing air, it is recommended that one replaces the vent filter every 6 months to ensure quality operation.