Top 10 Best lab stoppers in 2026

Main highlights

• •These black stoppers are made of solid natural rubber.
• •11 assorted sizes: 000# 00# 0# 1# 2# 3# 4# 5# 6# 7# 8#,wide choice for your application.
• •Assorted sizes are ideal for concentrated solutions,such as flask,test tube or other laboratory applications.
• •Pack of 21: 000#,5 pack. 00#-4#,each size 2 pack.5#-8#,each size 1 pack.

Main highlights

• •Material: This rubber stopper is made of rubber material, which is reusable and durable
• •Sizes: Available in sizes #000, #00, #0, #1, #2, #3, #4, #5, #6, #7, and #8 for broader application options
• •Applications: Suitable for laboratories, households, industrial settings, and various other scenarios
• •Specifications: Our 22-piece rubber stopper set includes:6 x #000,2 x each of #00–#4,1 x each of #5–#8
• •Product Guarantee: Should any issues arise with the product, we are always here to assist you

Main highlights

• •Interactive real time ship tracking
• •Worldwide ship radar
• •Live tracking status
• •Attractive design

Main highlights

• •Quantity: 34 Pieces,10 pieces 000#, 6 pieces 00#, 0#--6#,Each size two,and 7#--10#, each size one piece.
• •Size: 13 Assorted Sizes 000# 00# 0# 1# 2# 3# 4# 5# 6# 7# 8# 9# 10#.
• •High-quality Material: Permium rubber
• •Without hole.
• •Ideal for use with non-aggressive or concentrated solutions.

Main highlights

• •Size: Bottom Diameter(small-end): 8mm / 0.31inch; Top Diameter(big-end): 13mm / 0.51inch; Body Height: 17mm / 0.67inch
• •Features: Color: Black; Material: Rubber; Size：#000; Fit for hole: 10-11mm; Package Content: 12 Pcs x Rubber Stopper
• •Test Tube Plugs: Our tapered shape plugs have high elasticity, good insulation and sealing performance, high temperature resistance, acid and alkali resistance, will not dissolve and swell in acidic liquids
• •Solid Rubber Stoppers: Made of good quality rubber, Not easy to deform, moderate hardness, manufactured according to standards; Some dust will be on the rubber stopper surface, could wash by water; Please put them in some place where the children cannot reach
• •Appliaction: Widley used in test tube, pipe, fish tank holes, etc; Note: This rubber material only for the industrial or lab use, do not use them on food or bath tub!

Main highlights

• •Glass stopper,24/40 Outer Joint
• •Hex Head Glass Hollow Stoppers
• •Glass Hexagon Head Stopper design,side grooves can prevent slippage, and can also be easily cleaned and rotated
• •Borosilicate glass, high quality material; reusable and durable
• •Premium customer service: If received damaged or other quality problems, please contact us immediately; we are committed to making you enjoy a satisfied Service

Main highlights

Main highlights

Main highlights