7190-25 Funnel Cap for 20 mm Disc Sizes - Durable Plastic Replacement Part for Lab Equipment & Scientific Instruments | Perfect for Filtration, Sample Collection & Chemical Handling

Used for drying air-sensitive compounds with inert gas or a simple pressure filter funnel. O-Ring joint connects cap to body to give a larger opening. Funnel will withstand pressures of 20psi as supplied but NO warranty, expressed or implied. Cap adapter has serrated hose connection for pressure source, usually a rubber bulb. O-Ring joint on cap matches funnel body joint, secures with a Pinch Clamp. Offered with various porosities. Complete item consists of cap and funnel body with FETFE O-Ring.