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Ks-Tek 2pcs Blue Vented Screw Cap with 0.22um PTFE Syringe Filter, Liquid Culture Lid,Autoclavable, GL45 Thread: Amazon.com: Industrial & Scientific
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Pyrex GL45 Screw cap for Pyrex GL 45 media-lab bottle Thread Size: 45mm Pyrex GL45 Screw cap for Pyrex GL 45 media-lab bottle | Fisher Scientific
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