Chemglass CGK-534-01 Valve 0-4 Mm Hi-Vac 1-Arm Exposed O-ring Sale Price Price $89.15 Each Free Shipping Sum.
Chemglass CGK-534-02 Valve 0-8 Mm Hi-Vac 1-Arm Exposed O-ring Sale Price Price $145.10 Each Free Shipping Sum.
Chemglass CGK-534-03 Valve 0-12 Mm Hi-Vac 1-Arm Exposed O-ring Sale Price Price $152.90 Each Free Shipping Sum.