Polylab 3410 Aspirator Bottles3410 Polylab Aspirator Bottles Polylab Aspirator Bottles are made of polypropylene and are therefore much lighter than glass. These are autoclavable, dependable & durable. The leakproof spigot screwed to the bottle body requires only a half turn to open or close. These bottles are used for storing or dispensing distilled water & other laboratory solutions. Threads should be totally disengaged before autoclaving. Code Particulars Packing 34100 2 Ltrs 1