WHEATON W224600 Fiberglass Polypropylene Screw Cap, Package Quantity 200, Shinetek Instruments Research Institute (CAT#: STEM-L-5672-LGZ)

Top opening cap.
Better heat resistance than polypropylene caps.
PTFE/silicone cover gasket integrated into the top cap.
Suitable for EPA samples.

With PTFE/silicone gasket
Cap specification: 24-400
Package Quantity: 200

WHEATON W239303 Vial Cap, 38-400, Shinetek Instruments Research Institute (CAT#-STEM-L-5755-LGZ)
WHEATON W239298 Bottle Cap, 20-400, Shinetek Instruments Research Institute (CAT#-STEM-L-5750-LGZ)
WHEATON W239299 Vial Cap, 22-400, Shinetek Instruments Research Institute (CAT#-STEM-L-5751-LGZ)
WHEATON W239300 Bottle Cap, 24-400, Shinetek Instruments Research Institute (CAT#-STEM-L-5752-LGZ)
WHEATON W239301 Vial Cap, 28-400, Shinetek Instruments Research Institute (CAT#-STEM-L-5753-LGZ)
WHEATON W239302 Vial Cap, 33-400, Shinetek Instruments Research Institute (CAT#-STEM-L-5754-LGZ)