Patent No. 5,397,467.
· This cap combines the mobile phase filtration, sparging/degassing, storage and delivery functions
· All tubing connections are made in the back of the cap, reducing the typical clutter of tubing at the reservoirs
· An integral check valve in the sparge port prevents the mobile phase from backing up into the gas lines
· A pressure release valve prevents the reservoir from being accidentally over-pressurized
· The 1/4"-28 fitting connections allow easy connection to any HPLC pump system
· Cap body is manufactured from glass-filled PTFE
· Cap will fit any reservoir or bottle with a GL 45 thread