Graded Seals

A borosilicate to clear fused quartz graded seal used to interconnect quartz to borosilicate apparatus.
Length of borosilicate section is approx. 4", quartz section is approx 3". Tubing sizes referenced are for the quartz section of the seal.

Sizes are available from 3mm x 5mm to 50mm x 54mm, with custom sizes available upon request.

Please note:

1.) Export Fee: A $50.00 international export fee is charged on all orders outside of the US and Canada

2.) Minimum domestic order is $150.00 before tax, insurance, and shipping

3.) Please contact customer service if the selected items are not in stock