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Screw Caps (Internal Thread)

SKU: MP53120
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Micronic Screw Caps for internally threaded tubes securely seal tubes for long-term sample storage at ultra-low temperatures. Internally threaded tubes can be sealed with a standard Screw Cap, a Screw Cap Ultra, or a Low Profile Screw Cap. The Micronic Screw Caps for tubes with an internal thread feature a high quality Silicon O-ring around the base to allow for the tightest seal possible.