Replacement O-rings for five-position NMR tube cleaner system

Ace European-style three-neck flask

Ace four-neck round-bottom flask

ACE heavy-wall powder funnels

Ace precision-ground shaft

Ace round-bottom flask with threaded side-arm

Ace vacuum-sublimation apparatus

Aldrich^® cold-finger condenser

Aldrich^® corrosive lecture-bottle gas regulator

Aldrich^® in-line oil bubbler with SafetyBarb^® hose connectors

Aldrich^® non-corrosive lecture-bottle gas regulator