Rubber Stoppers
#000
$0.15
Sale price
$0.15
Regular price
$0.38
Skip to product information
Rubber Stoppers
$0.15
Sale price
$0.15
Regular price
$0.38
Laboratory tapered black natural rubber stoppers.
Available in standard sizes to fit test tubes and flasks of various widths. Size is imprinted on each.
Priced individually.
| Stopper Size | Top Diameter (mm) | Bottom Diameter (mm) | Height (mm) |
|---|---|---|---|
| 000 | 13 | 8 | 25 |
| 00 | 15 | 10 | 25 |
| 0 | 17 | 13 | 25 |
| 1 | 19 | 14 | 25 |
| 2 | 20 | 16 | 25 |
| 3 | 24 | 18 | 25 |
| 4 | 26 | 20 | 25 |
| 5 | 27 | 23 | 25 |
| 5½ | 28 | 24 | 25 |
| 6 | 32 | 26 | 25 |
| 6½ | 34 | 27 | 25 |
| 7 | 37 | 30 | 25 |
| 7½ | 39 | 31 | 25 |
| 8 | 41 | 33 | 25 |
| 8½ | 43 | 36 | 25 |
| 9 | 45 | 37 | 25 |
| 9½ | 46 | 38 | 25 |
| 10 | 50 | 42 | 25 |
| 10½ | 53 | 45 | 25 |
| 11 | 56 | 48 | 25 |
| 11½ | 63 | 50 | 25 |
| 12 | 64 | 54 | 25 |
Deals on this item:
• Free Shipping on $50+.
• On sale: Save 61% off the regular price.
• Get 20% off your first order when you sign up for our newsletter.
• Matter subscribers, don't forget to use your 15% storewide discount on every order.
Your Purchase Does More:
Science Education Programs: Every purchase helps fund our guest lectures, science fairs, and community science clubs — bringing real scientific literacy to curious minds of all ages.
Sustainable Small Business: We partner with agroforestry and carbon capture organizations to keep our entire emissions footprint net negative — not just neutral.
Independent Researchers: We source directly from active research labs, so your purchase puts money back into the hands of working scientists.
