What are the exact dimensions of the 20ml and the 30ml vial: diameter and height?

I do no know, I purchased the 10ml vials. It says 50 x 22 mm on the box.

Does the rubber seal on the inside of the vial have a small gap in the rubber to allow all of the med to be drawn up, or is it continuous on inside?

I've never seen what you mention. The rubber is a one piece seal with no holes. When you insert a syringe into it, it makes a hole, however, it seals up (this is the self healing feature they're talking about). So you tear the plastic cap off permanently, which exposes the rubber seal. It seals up so tight, that the contents can not escape even when upside down.

For the seller: What is meant by "self-healing"? I've never seen that before, aren't all multi-dose vials just made from identical butyl rubber?

Yeah it’s just like every other vial. Normal rubber tops

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Ks-Tek Sterile Empty Vials with Self Healing Injection Port,with Flip Off Aluminum Cap,Sterile Package (20ml,10)

Product ID: 453309513

Details

Brand
Ks-Tek
Material
aluminum
Colour
clear
Capacity
20 Milliliters
Special Feature
Self Healing

🔄Self-healing injection port

🧪20ml precision glass vial

🛡️Sterile steam sterilization

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R1223

Duties & taxes included

In stock

Sold byAmazon South AfricaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🧴 Elevate your lab game with sterile precision and smart design!

PRECISION 20 ML CAPACITY - Perfectly sized glass vials for accurate dosing and professional laboratory use.
SECURE FLIP OFF ALUMINUM CAP - Easy access with tamper-evident, color-coded aluminum caps for quick identification and handling.
READY TO USE STERILE PACKAGING - Each vial is individually packaged with sterilization indicator for guaranteed hygiene and convenience.
STERILE CONFIDENCE IN EVERY VIAL - Individually steam-sterilized at 121°C for 20 minutes, ensuring absolute purity and safety.
INNOVATIVE SELF HEALING INJECTION PORT - PTFE-coated port that reseals after each injection, maintaining sterility and preventing contamination.

Ks-Tek Sterile Empty Vials offer 20ml glass containers individually steam sterilized at 121°C for 20 minutes, featuring a self-healing PTFE-coated injection port and secure flip-off aluminum caps. Packaged sterile and ready for single-use, these vials ensure contamination-free handling ideal for laboratory and healthcare professionals.

Specifications

ASIN	B091MVVF5X
Additional Features	Self Healing Injection Port
Best Sellers Rank	#39,095 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #47 in Sterilization Pouches
Bottle Type	Glass Bottle
Brand	Ks-Tek
Brand Name	Ks-Tek
Capacity	20 Milliliters
Colour	clear
Customer Reviews	4.6 out of 5 stars 1,424 Reviews
Manufacturer	Ks-Tek
Manufacturer Part Number	KSUS-SEV-M
Material	PLA_(Polylactic_Acid), PC_(Polycarbonate), PTFE_(Polytetrafluoroethylene), aluminum
Material Type	PLA_(Polylactic_Acid), PC_(Polycarbonate), PTFE_(Polytetrafluoroethylene), aluminum
Model Name	KSUS-SEV-M
Model Number	KSUS-SEV-M
Number of Items	10
Number of Packs	10
Product Care Instructions	Handle with care, maintain sterility, do not wash or expose to water once used
Recommended Uses For Product	Laboratory, Household
Reusability	Single-Use
Shape	Round
Special Feature	Self Healing Injection Port
UPC	761412019843
Unit Count	10.0 Count

Reviews

C**A

Viel esterilizado

Recebi conforme anúncio , nada a reclamar

20.02.2026

E**O

excelente

Gostei muito do produto, maravilhoso

22.03.2026

S**4

Recommended.

I have been using them for TRT for many months now, with no problems at all. Recommended.

29.04.2026

K**.

Great Product

Great Vials very well packed. so much cheaper then buying singles.

17.03.2026

H**R

Sehr gute leere Ampullen

Alles bestens funktioniert ohne Probleme. Alles steril verpackt.

3.12.2025

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R1223

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