Ks-Tek 3Pcs Wide Mouth Liquid Culture Lid Food Grade Plastic Grain Spawn Cultivation Mason Jar Lid with 0.22um PTFE Syringe Filter & 20mm Self Healing Injection Ports For Mushroom auspowers_batchone Acid changes color based on

Acid changes color based on purity

these quality acetal barb ball valves won't stick like PVC ball valves

Country of Origin: China

Stainless steel spring and long pin

Ks-Tek 3Pcs Wide Mouth Liquid Culture Lid Food Grade Plastic Grain Spawn Cultivation Mason Jar Lid with 0.22um PTFE Syringe Filter & 20mm Self Healing Injection Ports For Mushroom auspowers_batchone Acid changes color based onKs Tek 3Pcs Wide Mouth Liquid Culture Lid Food Grade Plastic Grain Spawn Cultivation Mason Jar Lid with 0. 22um PTFE Syringe Filter & 20mm Self Healing Injection Ports For Mushroom Quantity: 3pcs Colour: green Lid Material: food grade Polypropylene Lid diameter: 86mm Fit for all Wide Mouth Mason Jar These lids can be used in a microwave, autoclave or pressure cooker. Our professional grade autoclavable wide mouth jar lids are built to be lab quality,