![Amazon.com: Pastein Blue GL45 Polypropylene Screw Cap with Internal Molded Seal Ring for Lab Prex Media Bottles (Case of 12) : Industrial & Scientific Amazon.com: Pastein Blue GL45 Polypropylene Screw Cap with Internal Molded Seal Ring for Lab Prex Media Bottles (Case of 12) : Industrial & Scientific](https://m.media-amazon.com/images/I/51CdXjD5EbS._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pastein Blue GL45 Polypropylene Screw Cap with Internal Molded Seal Ring for Lab Prex Media Bottles (Case of 12) : Industrial & Scientific
![China Plastic Red GL45 Safety Cap Manufacturers, Suppliers and Factory - Wholesale Products - Zhejiang ALWSCI Technologies Co.,Ltd China Plastic Red GL45 Safety Cap Manufacturers, Suppliers and Factory - Wholesale Products - Zhejiang ALWSCI Technologies Co.,Ltd](https://www.alwsci.com/uploads/20207791/plastic-red-gl45-safety-cap09260753625.jpg)
China Plastic Red GL45 Safety Cap Manufacturers, Suppliers and Factory - Wholesale Products - Zhejiang ALWSCI Technologies Co.,Ltd
![Amazon.com: Ks-Tek 1pcs Blue GL45 Safety Cap with Two Holes,3 Hose Coupler for 1/8"(2.4-3.2mm) I.D. tubing : Industrial & Scientific Amazon.com: Ks-Tek 1pcs Blue GL45 Safety Cap with Two Holes,3 Hose Coupler for 1/8"(2.4-3.2mm) I.D. tubing : Industrial & Scientific](https://m.media-amazon.com/images/I/61JkuuV6MPL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Ks-Tek 1pcs Blue GL45 Safety Cap with Two Holes,3 Hose Coupler for 1/8"(2.4-3.2mm) I.D. tubing : Industrial & Scientific
![Pastein Blue GL45 1-Port Safety Filling Cap with One Hole for Glass Bottles, 1/8 Inch OD Tubing, Complete Kit (Case of 2): Amazon.com: Industrial & Scientific Pastein Blue GL45 1-Port Safety Filling Cap with One Hole for Glass Bottles, 1/8 Inch OD Tubing, Complete Kit (Case of 2): Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51AtSmx+-DL.jpg)
Pastein Blue GL45 1-Port Safety Filling Cap with One Hole for Glass Bottles, 1/8 Inch OD Tubing, Complete Kit (Case of 2): Amazon.com: Industrial & Scientific
![Canary-Safe Cap 2, GL45, 2 Standard Tubing Ports with Shut-Off Valves (CC1012) - Analytical Sales and Services, Inc. Canary-Safe Cap 2, GL45, 2 Standard Tubing Ports with Shut-Off Valves (CC1012) - Analytical Sales and Services, Inc.](https://www.analytical-sales.com/wp-content/uploads/2019/10/CC1012.jpg)
Canary-Safe Cap 2, GL45, 2 Standard Tubing Ports with Shut-Off Valves (CC1012) - Analytical Sales and Services, Inc.
![Ks-Tek 2pcs Blue Vented Screw Cap with 0.22um PTFE Syringe Filter, Liquid Culture Lid,Autoclavable, GL45 Thread: Amazon.com: Industrial & Scientific Ks-Tek 2pcs Blue Vented Screw Cap with 0.22um PTFE Syringe Filter, Liquid Culture Lid,Autoclavable, GL45 Thread: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61fjyzjevKS.jpg)