SYLICON CONICAL STOPPER - 16x12mm, h 20mm Back Catalog number: 3804 Availability: In the manufacturer's stock Price on request - + Recommended H 934-02 PTFE Spherical Ground Joint Sleeves, size 13 Price on request 1727 BECHER TPX SERIGR,, 3000ml Price on request 015.005.2 PTFE Bottle 35 x 22 x 10mm, 5ml Price on request