Bungs, Caps & Stoppers

Bungs, Caps & Stoppers

Browse bungs, caps, and stoppers for the secure sealing of laboratory bottles, flasks, and containers. Our range includes high-quality closures designed for reliable performance in routine laboratory applications, ensuring safe storage and handling of liquids and samples. Designed for use with laboratory bottles and glassware to support accurate sample handling, storage, and preparation workflows.

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  • Pouring Rings DURAN® 45mm Blue PP Pk 10 Pouring Rings DURAN® 45mm Blue PP Pk 10

    Pouring Rings DURAN® 45mm Blue PP Pk 10

    £10.38
    The classic laboratory bottle GL threaded screw cap features the tried and tested cap plug sealing system ensuring a liquid Distinguishing media types is simplified and interchanging of screw caps and the risk of cross contamination is greatly reduced...
    BOT5238
    £10.38
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    £10.38
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  • Caps DURAN® GL45 PP with Lip Seal (Yellow) Pk 10

    Caps DURAN® GL45 PP with Lip Seal (Yellow) Pk 10

    £18.69
    The classic laboratory bottle GL threaded screw cap features the tried and tested cap plug sealing system ensuring a liquid tight seal. Available in four colours; blue, green, yellow and grey with matching pouring rings. Distinguishing media types is...
    293382802
    £18.69
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  • Pouring Rings DURAN® 45mm Yellow PP Pk 10 Pouring Rings DURAN® 45mm Yellow PP Pk 10

    Pouring Rings DURAN® 45mm Yellow PP Pk 10

    £8.47
    The classic laboratory bottle GL threaded screw cap features the tried and tested cap plug sealing system ensuring a liquid tight seal. Distinguishing media types is simplified and interchanging of screw caps and the risk of cross contamination is...
    1089917
    £8.47
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    £8.47
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  • Cluster Tube Caps-Bax System Pk 120

    Cluster Tube Caps-Bax System Pk 120

    £112.32
    Cluster Tube Caps-Bax System Pk 120
    CAP2008
    £112.32
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    £112.32
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  • Pouring Rings DURAN® 45mm Red ETFE Pk 10

    Pouring Rings DURAN® 45mm Red ETFE Pk 10

    £26.52
    The red polybutylene terephthalate (PBT) GL cap and ETFE pouring rings offer greater thermal and chemical resistance than the equivalent polypropylene components. Screw cap seal has a PTFE faced cap liner for efficient sealing. ETFE pouring ring ensures...
    BOT5248
    £26.52
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    £26.52
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  • Caps DURAN® GL45 PBT with PTFE Protected Seal (Red) Pk 10 Caps DURAN® GL45 PBT with PTFE Protected Seal (Red) Pk 10

    Caps DURAN® GL45 PBT with PTFE Protected Seal (Red) Pk 10

    £105.42
    The red polybutylene terephthalate (PBT) GL cap and ETFE pouring rings offer greater thermal and chemical resistance than the equivalent polypropylene components. Screw cap seal has a PTFE faced cap liner for efficient sealing. ETFE pouring ring ensures...
    BOT5244
    £105.42
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    £105.42
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  • Caps PP R3/24 White for BOT1006 pk 100

    Caps PP R3/24 White for BOT1006 pk 100

    £16.80
    White polypropylene, wadless caps. Supplied in packs 100's
    BOT1406
    £16.80
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  • Pouring Rings GL45 PP Pyrex Spare Clear Pk10 Pouring Rings GL45 PP Pyrex Spare Clear Pk10

    Pouring Rings GL45 PP Pyrex Spare Clear Pk10

    £11.95
    For use with any PYREX® media-lab bottle with a GL 32, GL 45 or GLS 80 screw threads, these polypropylene pouring rings ensure drip-free pouring. Key Features  For use with 1516, 1517, 1518, 1519 1520, 1523 and 1524 series bottles Ensures...
    4516/45D
    £11.95
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  • Caps DURAN® GL45 PP with Lip Seal (Green) Pk 10

    Caps DURAN® GL45 PP with Lip Seal (Green) Pk 10

    £25.82
    Cap with integral lip seal provides effective sealing for short term storage Pouring ring for drip-free pouring The colour helps prevent interchanging of cap mix-ups and reduces the risk of cross contamination Fully compatible with the GL 45 threads...
    29338286
    £25.82
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    £25.82
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  • On Sale
    Caps PP White Screw Thread R3/58 Unlined Pk 100

    Caps PP White Screw Thread R3/58 Unlined Pk 100

    Now: £8.25
    Was: £24.00
    Durable white polypropylene screw caps designed to fit wide-mouth and Winchester bottles. Featuring an R3/58 closure size, these unlined caps provide a secure and reliable seal for various laboratory and storage applications. Ideal for efficient and...
    WR385UWL
    Now: £8.25
    Was: £24.00
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    Now: £8.25
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  • Caps Aluminium R3/28 Rubber Wad Pk 1000

    Caps Aluminium R3/28 Rubber Wad Pk 1000

    £256.37
    Caps Aluminium R3/28 Rubber Wad in packs of 1000  
    400211M
    £256.37
    Qty in Cart: 0
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    £256.37
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