These GL threaded caps have quick-release closure for the new GL80 thread, wide-mouth bottles

Made of white polyarylsulphone 1 (PSU) resin, which provides high thermal, mechanical, and chemical compatibility. Inner seal is coated both sides with PTFE. PSU pour ring also available. The Maximum Temperature for 89199-110 is +180°C and N/A for the 89199-112.