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

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

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

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

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

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

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

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

• 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.
• 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.
• 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.
• 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.

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

• 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
• Great for solvents, light oils, paint, essence, eye drops, saline, etc.
• Size: 30ml bottle diameter :1.26" ,total length :3.3"
• Package:12 pcs, material: plastic, colour: white.

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

• Excellent clarity and strength
• 100ml capacity
• Autoclavable plastic separating funnel
• Leak-proof threaded screwcap
• 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

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

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

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

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

• Pack of 1000
• 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

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

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