These blue PYREX® polyethylene caps provide an economical closure for some volumetric flasks (See Nos. 5580, 5581 and 5600).

The red Corning® polybutylene terephthalate (PBT) high temperature caps have a GL32 thread, can be dry heat sterilized at up to 180°C and have a Polytetrafluorethylene (PTFE) liner for efficient sealing.

These reusable Corning® caps are fabricated specially formulated phenolic resin to resist the effects of temperature and steam in autoclaving. Caps are provided with a glued-in white rubber liner.

The Corning® orange polypropylene caps are autoclavable at 121°C, have a GLS80 thread and use a linerless plug seal design for efficient sealing. Cap Style: Plug Seal Cap Material: Polypropylene Cap Color: Orange Thread Finish: 80 GL Feature: Reusable Sterile: No

These standard 18-410 G.P.I. thread screw caps are replacement caps for the No. 5650 PYREX® volumetric flasks. Caps have a durable cone-shaped polyethylene liner Poly-seal cap insures a leak-resistant closure and no contamination when working with most common reagents

120mm center cap assembly for Proculture® Spinner Flasks. Thomas No. 1197A79 Cap assembly contains two Noryl® 1/4" fitting inserts for stainless steel tubing and two 12mm ports for probes Thomas No. 1230G12 Cap assembly contains two Noryl® 1/4" fitting insert,…

These reusable Corning® caps are fabricated specially formulated resin to resist the effects of temperature and steam in autoclaving. Caps have GPI 24-400 threads and are provided with a glued-in rubber liner over which is firmly bonded a Polytetrafluorethylene (PTFE) interface to provide a…

Corning® Erlenmeyer Flask Aseptic Transfer Caps are sterile (10 -6 SAL), individually double bagged and fit the 2L Corning® Polycarbonate Erlenmeyer flasks. These aseptic transfer caps can also be used on Corning 850 and 1700cm 2 plastic disposable roller bottles. Venting port…

Designed to fit pre-existing filling systems for other product brands 33mm polyethylene threaded cap Vented overcap has 0.2µm PTFE membrane sealed into the peelable foil cover Sterilized by gamma irradiation Double bagged

Features large knurls for ergonomic handling Contains hydrophobic membrane for applications requiring gas exchange Sterilized by gamma radiationDoes not fit 490cm² roller bottles .

Falcon® polystyrene Plug Seal screw caps for 50mL centrifuge tubes are sterile. The caps are sold 50 per pack and 1,000 per case.

This replacement cap can be used on all High Yield Performance HYPER Flasks (Cat. No. 10020, 10024, 10030, 10034) 33mm threaded cap Solid cap is used in closed systems or applications where venting is not necessary Sterilized by gamma irradiation Disposable