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3.3. Borosilicate Filter Flasks, Conical, with integral side arm, Plastic Screw Threads. Arm will fit tubing with an 8mm internal diameter (All flask sizes). 28.5mm inside neck diameter.
Suitable Rubber Stoppers: BEES code 2742- Solid 27mm, BEES code 2743 - 1 Hole 27mm, BEES code 2744 - 2 Hole 27mm.
Suitable Rubber Cone: Rubber Cone Int 27/18 Ext 32/24mm for Flask Neck 25/27 (BEES code 2163).
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