Vapor duct for Büchi^® model B-585 ovens

Vapor duct for Büchi^® model B-585 ovens, 2 × 40 mL balls and vapor duct

Vapor duct for Büchi^® model B-585 ovens, duct for 10, 20, and 40 mL flasks

Vapor duct for Büchi^® model B-585 ovens, 3 × 20 mL balls and vapor duct