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Stoppers and Stopcocks

Browse our curated selection of Stoppers and Stopcocks from leading global manufacturers. Find research-grade reagents, certified standards, and specialty supplies backed by Cenmed's expert sourcing and technical support.

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  • addition funnel, pressure equalizing, ptfe stopcock, synthware, capacity: 25ml, top joint: 14/20 outer, bottom joint 14/20 inner, stopcock bore: 2mm
    Add to Cart The item has been added
    F621425

    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 25mL, Top Joint: 14/20 Outer, Bottom Joint 14/20 Inner, Stopcock Bore: 2mm

    Price: $434.53
    List Price: $482.81
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
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    SKUF621425
    MFR. NameKEMTECH AMERICA
    Catalog No. C003B-253227
    Pack Size 1 EA
    Price:
    Price: $434.53
    List Price: $482.81
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C003B-253227
    Description
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
  • addition funnel, pressure equalizing, ptfe stopcock, synthware, capacity: 25ml, top joint: 24/40 outer, bottom joint 24/240 inner, stopcock bore: 2mm
    Add to Cart The item has been added
    F622425

    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 25mL, Top Joint: 24/40 Outer, Bottom Joint 24/240 Inner, Stopcock Bore: 2mm

    Price: $339.50
    List Price: $377.22
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
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    SKUF622425
    MFR. NameKEMTECH AMERICA
    Catalog No. C003B-017117
    Pack Size 1 EA
    Price:
    Price: $339.50
    List Price: $377.22
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C003B-017117
    Description
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
  • addition funnel, pressure equalizing, ptfe stopcock, synthware, capacity: 500ml, top joint: 24/40 outer, bottom joint 24/240 inner, stopcock bore: 4mm
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    F624500

    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 500mL, Top Joint: 24/40 Outer, Bottom Joint 24/240 Inner, Stopcock Bore: 4mm

    Price: $604.73
    List Price: $671.93
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
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    SKUF624500
    MFR. NameKEMTECH AMERICA
    Catalog No. C003B-253347
    Pack Size 1 EA
    Price:
    Price: $604.73
    List Price: $671.93
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C003B-253347
    Description
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
  • addition funnel, pressure equalizing, ptfe stopcock, synthware, capacity: 60ml, top joint: 14/20 outer, bottom joint 14/20 inner, stopcock bore: 2mm
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    F621460

    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 60mL, Top Joint: 14/20 Outer, Bottom Joint 14/20 Inner, Stopcock Bore: 2mm

    Price: $448.27
    List Price: $498.08
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
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    SKUF621460
    MFR. NameKEMTECH AMERICA
    Catalog No. C003B-253234
    Pack Size 1 EA
    Price:
    Price: $448.27
    List Price: $498.08
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C003B-253234
    Description
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
  • addition funnel, pressure equalizing, ptfe stopcock, synthware, capacity: 60ml, top joint: 19/202 outer, bottom joint 19/22 inner, stopcock bore: 2mm
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    F621960

    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 60mL, Top Joint: 19/202 Outer, Bottom Joint 19/22 Inner, Stopcock Bore: 2mm

    Price: $458.49
    List Price: $509.43
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
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    SKUF621960
    MFR. NameKEMTECH AMERICA
    Catalog No. C003B-253237
    Pack Size 1 EA
    Price:
    Price: $458.49
    List Price: $509.43
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C003B-253237
    Description
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
  • addition funnel, pressure equalizing, ptfe stopcock, synthware, capacity: 60ml, top joint: 24/40 outer, bottom joint 24/240 inner, stopcock bore: 2mm
    Add to Cart The item has been added
    F622460

    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 60mL, Top Joint: 24/40 Outer, Bottom Joint 24/240 Inner, Stopcock Bore: 2mm

    Price: $482.30
    List Price: $535.89
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
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    SKUF622460
    MFR. NameKEMTECH AMERICA
    Catalog No. C003B-253258
    Pack Size 1 EA
    Price:
    Price: $482.30
    List Price: $535.89
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C003B-253258
    Description
    Addition Funnel, Pressure Equalizing, PTFE Stopcock, Synthware, Capacity: 10-1000mL available, Top Joint (Outer): 14/20, 24/40, and 19/22 available, Bottom Joint (Inner): 14/20, 24/40, and 19/22 available. Stopcock Bore: 2mm or 4mm available
  • aldrich(r) single bank manifold with ptfe stopcocks (c15-1676-368)
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    Z568473-1EA

    ALDRICH(R) SINGLE BANK MANIFOLD WITH PTFE STOPCOCKS 3-POSITIONS (C005B-267266)

    Price: $1,091.06
    List Price: $1,212.29
    General description Single bank manifolds come with 4mm bore PTFE stopcocks. Legal Information Aldrich is a registered trademark of Sigma-Aldrich Co.
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    SKUZ568473-1EA
    MFR. NameSigma-Aldrich
    Catalog No. C005B-267266
    Pack Size 1 EA
    Price:
    Price: $1,091.06
    List Price: $1,212.29
    Quantity:
     
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    Product Information

    Catalog No.
    C005B-267266
    Description
    General description Single bank manifolds come with 4mm bore PTFE stopcocks. Legal Information Aldrich is a registered trademark of Sigma-Aldrich Co.
  • anti-foxc1 forkhead box c1, 25ul un 1687 6.1 pg2
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    HPA040670-25

    Anti-FOXC1 forkhead box C1, 25ul UN 1687 6.1 PG2

    Price: $1,288.43
    List Price: $1,431.59
    Anti-FOXC1 forkhead box C1, 25ul UN 1687 6.1 PG2
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    SKUHPA040670-25
    MFR. NameATLAS ANTIBODIES
    Catalog No. C003B-061254
    Pack Size 1 EA
    Price:
    Price: $1,288.43
    List Price: $1,431.59
    Quantity:
     
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    Product Information

    Catalog No.
    C003B-061254
    Description
    Anti-FOXC1 forkhead box C1, 25ul UN 1687 6.1 PG2
  • b braun stopcock extension sets 10147208
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    456025

    B BRAUN STOPCOCK EXTENSION SETS (C001B-028664)

    Price: $331.98
    List Price: $368.87
    Extension Set, 4-Way, 2 Female Luer Lock Ports, 20 Extension Tubing, SPIN-LOCK Adapter, Port Covers, 1.8 mL Priming Volume, 22L, Latex Free (LF), 50/cs (Rx) (Continental US+HI Only, Excluding IN and ND)
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    SKU456025
    MFR. NameB BRAUN MEDICAL
    Catalog No. C001B-028664
    Pack Size 50 CS
    Price:
    Price: $331.98
    List Price: $368.87
    Quantity:
     
    The item has been added

    Product Information

    Catalog No.
    C001B-028664
    Description
    Extension Set, 4-Way, 2 Female Luer Lock Ports, 20 Extension Tubing, SPIN-LOCK Adapter, Port Covers, 1.8 mL Priming Volume, 22L, Latex Free (LF), 50/cs (Rx) (Continental US+HI Only, Excluding IN and ND)
  • b braun stopcocks 10359697
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    456066

    B BRAUN STOPCOCKS (C001B-070426)

    Price: $346.04
    List Price: $384.49
    Ultraport Four-Way Stopcock, Single Valve, 100/bx (Rx) (Item is Non-Returnable) (Continental US+HI Only, Excluding IN and ND)
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    SKU456066
    MFR. NameB BRAUN MEDICAL
    Catalog No. C001B-070426
    Pack Size 100 BX
    Price:
    Price: $346.04
    List Price: $384.49
    Quantity:
     
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    Product Information

    Catalog No.
    C001B-070426
    Description
    Ultraport Four-Way Stopcock, Single Valve, 100/bx (Rx) (Item is Non-Returnable) (Continental US+HI Only, Excluding IN and ND)
  • b braun stopcocks 10359694
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    456063

    B BRAUN STOPCOCKS (C001B-073481)

    Price: $413.15
    List Price: $459.06
    Ultraport Four-Way Stopcock, Dual Valve, 100/bx (Rx) (Item is Non-Returnable) (Continental US+HI Only, Excluding IN and ND)
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    SKU456063
    MFR. NameB BRAUN MEDICAL
    Catalog No. C001B-073481
    Pack Size 100 BX
    Price:
    Price: $413.15
    List Price: $459.06
    Quantity:
     
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    Product Information

    Catalog No.
    C001B-073481
    Description
    Ultraport Four-Way Stopcock, Dual Valve, 100/bx (Rx) (Item is Non-Returnable) (Continental US+HI Only, Excluding IN and ND)
  • baxter extension set accessories parts 10352703
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    STP8325

    BAXTER EXTENSION SET, ACCESSORIES & PARTS (C001B-054606)

    Price: $712.18
    List Price: $791.31
    Extension Set, Large Bore Stopcock, Minivolume, Male Lock Adapter with, 2.5 ml, 63 Length, Non-Pyrogenic, Contains DEHP, Sterile, 48/cs (Rx) (Item is Non-Returnable) (Continental US Only, Excluding IN and ND) (Product Access Restricted.
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    SKUSTP8325
    MFR. NameBAXTER HEALTHCARE
    Catalog No. C001B-054606
    Pack Size 48 CS
    Price:
    Price: $712.18
    List Price: $791.31
    Quantity:
     
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    Product Information

    Catalog No.
    C001B-054606
    Description
    Extension Set, Large Bore Stopcock, Minivolume, Male Lock Adapter with, 2.5 ml, 63 Length, Non-Pyrogenic, Contains DEHP, Sterile, 48/cs (Rx) (Item is Non-Returnable) (Continental US Only, Excluding IN and ND) (Product Access Restricted.
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About Stoppers and Stopcocks

Cenmed Enterprises provides a comprehensive selection of Stoppers and Stopcocks products sourced from leading global manufacturers. Our catalog spans research-grade reagents, certified standards, and specialty compounds used across clinical, academic, and industrial laboratories worldwide.

With decades of expertise in laboratory supply distribution, we offer competitive pricing, reliable stock availability, and dedicated technical support. Whether you need small quantities for research or bulk orders for manufacturing, our team is ready to assist with sourcing, compliance documentation, and logistics.

Frequently Asked Questions

  • What documentation is provided with orders?

    All orders include a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and a packing slip. Additional regulatory or compliance documentation can be requested at the time of order for products requiring special handling or import/export certification.

  • What is the minimum order quantity?

    Minimum order quantities vary by product and are listed on each product page. For bulk or custom quantity orders, please contact our sales team at 732-447-1100 or request a quote online for custom pricing.

  • How long does shipping take?

    Standard orders ship within 1–3 business days from our New Jersey distribution center. Expedited and international shipping options are available. Hazardous materials ship in compliance with IATA/DOT regulations and may require additional lead time.

  • Can I return a product?

    We accept returns on non-hazardous, unopened products within 30 days of delivery. Controlled substances, refrigerated items, and custom orders are non-returnable. To initiate a return, please complete the return request form and submit it to our customer service team for approval. Returns will be processed once your request has been reviewed and authorized.

  • Do you offer volume discounts?

    Yes. Volume pricing is available for most products in our catalog. Contact our sales team or use the "Request a Quote" feature to get custom pricing for your organization based on your annual purchase volume and specific product needs.

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