can these be used in the oven? probably 300 degree max for oven sterilization

I've never used them in the oven. But probably

Can you just drill a hole in a wide mouth jar lid smaller than the diameter and cram it in?

Yes, you can operate it, this hole needs to be about the same diameter

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SUCOHANS 100 peices Mushrooms Self Healing Injection Ports, 20mm Rubber Bottle Stoppers, for 13 mm (0.51in) Diameter Opening Mason Jar Lids

SUCOHANS 100 peices Mushrooms Self Healing Injection Ports, 20mm Rubber Bottle Stoppers, for 13 mm (0.51in) Diameter Opening Mason Jar Lids

Product ID: 93447503

Details

Color
Gray
Material
Rubber
Brand
SUCOHANS
Shape
Mushroom
Product Dimensions
0.75"W x

🔩Fits 13mm mason jar lids

🧪100 pcs for bulk projects

🛡️Self-healing injection port

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Description

🧫 Cultivate Confidence: Seal, Inject, Repeat with SUCOHANS!

PRECISION FIT - Designed specifically for 13mm (0.51in) diameter mason jar lids, guaranteeing a secure, leak-proof seal.
SEAMLESS STERILITY - Self-healing silicone injection ports ensure airtight, contamination-free syringe access every time.
BULK READY FOR PROS - 100 premium rubber stoppers to power your mushroom cultivation or liquid culture projects without interruption.
VERSATILE APPLICATION - Ideal for mushroom growing, BRF jars, supplemented substrates, and grain masters—your all-in-one lab essential.
EFFORTLESS INSTALLATION - Simply drill a 7/16 to 1/2 inch hole and pop the stopper in place—no fuss, no mess.

SUCOHANS offers 100 high-quality 20mm rubber bottle stoppers engineered as self-healing injection ports for 13mm mason jar lids. Perfect for sterile mushroom cultivation and liquid culture injection, these stoppers provide a reliable, airtight seal that supports contamination-free syringe access, making them a must-have for professional and hobbyist mycologists alike.

Reviews

L**Y

31.12.2025

G**N

27.09.2024

T**S

25.11.2023

F**5

26.04.2024

S**R

5.10.2025

S**N

22.10.2024

C**R

17.07.2020

B**N

14.01.2025

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Best Sellers Rank	#65,109 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #49 in Lab Rubber Stoppers
Customer Reviews	4.7 out of 5 stars 1,135 Reviews

SUCOHANS 100 peices Mushrooms Self Healing Injection Ports, 20mm Rubber Bottle Stoppers, for 13 mm (0.51in) Diameter Opening Mason Jar Lids

Details

Details

Description

Specifications

Reviews

Common Questions