Corning^® high-temp PBT screw cap

Corning^® high-temp PBT screw cap, For high temps, red, GL 45 open-top

Corning^® high-temp PBT screw cap, For high temps, red, GL 45 solid top, with PTFE faced silicone liner

Corning^® high-temp PBT screw cap, For high temps, red, GL 25 open-top

Corning^® high-temp PBT screw cap, For high temps, red, GL 32 open-top

Corning^® high-temp PBT screw cap, For high temps, GL 32 solid top, with PTFE faced silicone liner