A flask for every occasion

We offer a comprehensive range of these popular round bottom flasks, with volumes from 5ml to 250ml.

  • With highest quality Quickfitground glass socket
  • Manufactured from borosilicate glass for corrosion-free performance and resistance to thermal shock
  • Comprehensive range of 45 flasks from 5ml to 10000ml
  • Body diameter and wall thickness comply with relevant ISO 1773 and ISO 4797 requirements

Product Specification

Grouped product items
Item Code Approx. neck length mm Approx. overall height mm Capacity ml Socket size Pack quantity
FR5/0S* 5 50 5 10/19 5
FR5/1S* 15 65 5 14/23 5
FR10/0S* 15 65 10 10/19 5
FR10/1S 15 70 10 14/23 5
FR25/1S 10 85 25 14/23 5
FR25/2S* 15 80 25 19/26 5
FR25/3S* 15 80 25 24/29 5
FR50/1S 15 90 50 14/23 5
FR50/2S 15 90 50 19/26 5
FR50/3S 15 90 50 24/29 5
FR50/5S 15 90 50 34/35 5
FR100/1S 15 105 100 14/23 5
FR100/2S 15 105 100 19/26 5
FR100/3S 15 105 100 24/29 5
FR100/4S 15 105 100 29/32 5
FR100/5S 10 105 100 34/35 5
FR150/2S* 10 114 150 19/26 5
FR150/3S* 15 115 150 24/29 5
FR150/4S* 15 120 150 29/32 5
FR150/5S* 10 118 150 34/35 5
FR250/1S* 15 126 250 14/23 2
FR250/2S 15 140 250 19/26 5
FR250/3S 15 140 250 24/29 5
FR250/4S 15 140 250 29/32 5
FR250/5S 15 140 250 34/35 5

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pyrex flasks