Red pouring ring for standard GL45 screw bottle.
Made of polypropylene plastic polybutene terephthalate (PBT).
Accessory for ISO threaded laboratory bottles. Its use helps the dispensing of a liquid to be better canalized.
Available in different colours and materials.
Resistant to autoclave sterilization up to  200 °C temperature.

Blue cap with standard 45 mm screw and made of polypropylene plastic (PP) and with auto-joint inner shape to fit the neck of the bottle.
Available in different colours
Resistant to autoclave sterilization up to 140 °C temperature.
This closure is complemented by the pouring ring, which helps when pouring a liquid to be better channelled. Available for sale by the piece.

Red cap with standard GL45 screw thread made of polybutene terephthalate (PBT) with silicone inner disc and poly tetrafluoroethylene teflon (PTFE) coating.
Resistant to sterilisation by autoclaving up to a maximum temperature of 200 °C.
This closure is complemented by the red PBT pouring ring, which helps to better dispense a liquid. Available for sale by the piece.

Box of 350 units: Black, tamper-evident cap with standard 45 mm screw and PTFE inner seal. Closure for laboratory reagent bottles.
Made of polypropylene plastic (PP) and polytetrafluoroethylene Teflon (PTFE) inner seal.
Resistant to autoclave sterilization up to 140 °C temperature.

White pouring ring for standard GL45 screw bottle.
Made of polypropylene plastic (PP).
Its use helps the dispensing of a liquid to be better canalised.
Available in different colours and materials.
Resistant to autoclave sterilisation up to 140 °C temperature.

Black butyl rubber septum for DIN45 screw caps with hole
Upper diameter 40 mm
Lower diameter 31 mm
Autoclave up to 140 °C
The closure is complemented by a GL45 screw cap with hole which is not included with this part number, available for purchase as individual parts.

Standard blue GL45 screw cap with septum hole made of polypropylene plastic (PP).
Orifice diameter 34 mm
Autoclave up to 140 °C autoclave temperature
The closure complemented by a black septum which is not included with this reference, available to buy by individual pieces. See below for reference number. 079.008