DURAN® Flat Flange Lid, with side neck (NS): 2 x 29/32 angled; 1 x 14/23 angled

DURAN® Flat Flange Lid, 4 standard ground necks, with side neck
(NS): 2 x 29/32 angled; 1 x 14/23 angled

4 standard ground necks, with centre neck NS 29/32, & 3 angled side necks: 2 x NS 29/32 & 1 x NS 14/23
  • Manufactured from 3.3 expansion borosilicate glass
  • Pressure and vacuum resistant due to the wall thickness and geometry
  • Tight closure due to standard ground joints
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