Best Lab Cap Plugs In June 2025

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It is not an easy task to choose the Best Lab Cap Plugs if you aren’t a frequent buyer. But don’t worry – we have compiled here the perfect list of Top 10 Best Lab Cap Plugs for you. Have a look at our list and choose the ones you like the most.

To help you in your search, we have completed this list of the Best Lab Cap Plugs.

Top Rated Best Lab Cap Plugs Of 2025

Rank Product Name Score
1
RJ45 Dust Cover and Blockout Device 100-Pack - Protects Network Jack, Cap Ethernet
RJ45 Dust Cover and Blockout Device 100-Pack - Protects Network Jack, Cap Ethernet
9.7
2
50PCS Empty Refillable Squeezable Plastic Dropper Bottle Eye Liquid Dropper Container Jar Vial
50PCS Empty Refillable Squeezable Plastic Dropper Bottle Eye Liquid Dropper Container Jar Vial
9.5
3
80 Pc 1/16" to 3/4" High Temp Silicone Rubber Tapered Plug Kit
80 Pc 1/16" to 3/4" High Temp Silicone Rubber Tapered Plug Kit
9.1
4
HavenLab Plastic Jug 2 Pack - Gallon Storage Containers with Cap and Reusable
HavenLab Plastic Jug 2 Pack - Gallon Storage Containers with Cap and Reusable
8.8
5
12 PCS 30ml 1oz Empty Refillable Ldpe Plastic Squeezable Eye Dropper Bottles Portable
12 PCS 30ml 1oz Empty Refillable Ldpe Plastic Squeezable Eye Dropper Bottles Portable
8.6
6
Separating Funnel, 100ml - Polypropylene - Polypropylene Stopcock, PTFE Plug - Leak-Proof Screw
Separating Funnel, 100ml - Polypropylene - Polypropylene Stopcock, PTFE Plug - Leak-Proof Screw
8.3
7
Globe Scientific 118240K Polyethylene Flange Plug Cap for Test Tubes, 13mm Size, Black
Globe Scientific 118240K Polyethylene Flange Plug Cap for Test Tubes, 13mm Size, Black
8.1
8
Corning 1395-45LTC3 Screw Cap with Plug Seal for Pyrex Storage Bottle, GL45 Thread
Corning 1395-45LTC3 Screw Cap with Plug Seal for Pyrex Storage Bottle, GL45 Thread
7.8
9
Globe Scientific 118240C Polyethylene Flange Plug Cap for Test Tubes, 13mm Size, Clear
Globe Scientific 118240C Polyethylene Flange Plug Cap for Test Tubes, 13mm Size, Clear
7.5
10
New Pig Poly Buttress Drum Bung, For Plastic Drums w/ 2" Coarse Thread
New Pig Poly Buttress Drum Bung, For Plastic Drums w/ 2" Coarse Thread
7.2

1. RJ45 Dust Cover and Blockout Device 100-Pack - Protects Network Jack, Cap Ethernet

1
9.7/10 our score

  • Dust protection - hermetically sealed, will not fall out, insulates individual port contacts at >500m.
  • Jack blockout - control where users connect - important - designed to be easy to remove with needle nose pliers, but difficult without.
  • 2-in-1 solution - dust protection and jack blockout device.
  • Easy to distinguish from standard rj45 connectors - shorter, sealed without metal contacts, will not crimp to wire. 100% guaranteed.
  • Achieve the same level of protection as keyed plugs, without the hassle of proprietary keys. great for offices and public places.

2. 50PCS Empty Refillable Squeezable Plastic Dropper Bottle Eye Liquid Dropper Container Jar Vial

2
9.5/10 our score

  • Easy to squeeze, convenient to use, dropper can be well controlled when dropping
  • Screw cap and inner plug for good sealing, preventing mess and unnecessary leakage
  • Suitable for most liquid,eye drops, perfumes, solvents, saline, essential oil, etc.
  • Small and lightweight, great for travel and business trips
  • Material: plastic, capacity:30ml/1oz, size: approx 1.25"x3.3"(diameter x total height)quantity50pcs

3. 80 Pc 1/16" to 3/4" High Temp Silicone Rubber Tapered Plug Kit

3
9.1/10 our score

  • Use for powder coating, painting, plating, anodizing, media blasting, etc.
  • Color coded - easily grab the right size.
  • Premium quality silicone will not crack, shrink, harden or break.
  • Flexible, durable and reusable.
  • Withstands heat up to 600 degrees fahrenheit/315 celsius.

4. HavenLab Plastic Jug 2 Pack - Gallon Storage Containers with Cap and Reusable

4
8.8/10 our score

  • Exceptional safety features - youll find a reusable red plug under the screw cap of our gallon containers for liquids. unique to our product, this feature makes it exceptionally spill and child-proof.
  • Countless ways to use it - our bpa-free empty gallon jug works great for storing bleach, detergent, and concentrated solutions. also great for cooking items like syrup, oil, vinegar, and sauce.
  • Heavy-duty plastic material - made with hdpe plastic, our empty bottles are durable and airtight. they wont break easily when dropped and can withstand changing weather or temperatures.
  • Satisfaction guaranteed! - your satisfaction is our top priority. we back this up with a 100% money back guarantee. you'll receive our plastic gallon jug plugged, capped, and shrink-wrapped.
  • Professional quality - our gallon plastic jug can be used for commercial or industrial chemicals and liquids. the 38/400 threads (38mm) fit most pumps so you can turn the jug into a dispenser.

5. 12 PCS 30ml 1oz Empty Refillable Ldpe Plastic Squeezable Eye Dropper Bottles Portable

5
8.6/10 our score

  • Size: 30ml bottle diameter :1.26" ,total length :3.3"
  • Great for solvents, light oils, paint, essence, eye drops, saline, etc.
  • Package:12 pcs, material: plastic, colour: white.
  • With screw-on lid, the bottles are definitely leak proof. don't be worry your liquid will spill out.
  • Can be used to dispense and store most liquids. great for travel

6. Separating Funnel, 100ml - Polypropylene - Polypropylene Stopcock, PTFE Plug - Leak-Proof Screw

6
8.3/10 our score

  • Leak-proof threaded screwcap
  • Excellent clarity and strength
  • Autoclavable plastic separating funnel
  • 100ml capacity
  • 9.5" height, 2.25" diameter at widest part of bulb.

7. Globe Scientific 118240K Polyethylene Flange Plug Cap for Test Tubes, 13mm Size, Black

7
8.1/10 our score

  • Made of polyethylene
  • 9 beautiful colors for sample identification purposes
  • The caps are available in a 12mm, 13mm and 16mm sizes

8. Corning 1395-45LTC3 Screw Cap with Plug Seal for Pyrex Storage Bottle, GL45 Thread

8
7.8/10 our score

  • Plug seal cap
  • Green polypropylene
  • 45 gl thread finish

9. Globe Scientific 118240C Polyethylene Flange Plug Cap for Test Tubes, 13mm Size, Clear

9
7.5/10 our score

  • The caps feature two flanges that press against the inner walls of the tubes to provide better leak-resistance than standard plug caps.
  • Fits 13mm tubes
  • Pack of 1000

10. New Pig Poly Buttress Drum Bung, For Plastic Drums w/ 2" Coarse Thread

10
7.2/10 our score

  • White color
  • 3/4-inches knockout in center of plug reduces bung diameter if needed
  • Keep a box on hand to replace lost or damaged bungs
  • Replacement parts to help you extend a drum's life and cut replacement costs
  • Buttress threads

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