Finely adjustable high vacuum throttle, all-inclusive PTFE increase and decrease valve, high borosilicate 3.3 glass laboratory

Finely adjustable high vacuum throttle, all-inclusive PTFE increase and decrease valve, high borosilicate 3.3 glass laboratory
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EMPTY
sku: 1005011621279560
$63.00+7%
$67.50
Shipping from: China
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