Balbula sa bentilasyon

ST059 One-way Degassing Valve Sa Coffee Bean Self-supporting Bag Lvt
ST060 Taas nga kalidad nga Kape nga Aluminum Foil Bag Usa ka Paagi nga Degassing Valve, plastik nga One-way Bag Degassing Valve Food Grade Fermentation Packaging Bag One-way Degassing Valve
ST061 One Way Vent Coffee Bean Bag Degassing Valve