Always a bestseller Pyrex items are manufactured from thermal & chemical resistant Pyrex borosilicate glass.

Heavy walled Pyrex BÃ ¼chner filter flasks are ideal for vacuum filtration applications. The flask has a side-arm feature which consists of a short glass integral side-arm which is rifled for easy and safe attachment of 9mm bore vacuum tubing (B8A89801 - not included).

With tooled neck to accept a drilled rubber stopper and 'studded' base to minimise surface abrasion.

Ungraduated with white enamel marking spot.

• Volume: 1000ml
• Height: 230mm
• Neck Internal Diameter: 45mm
• Pack of 5