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Product ID : R49
R49 Four Hole Round Ceramic Tube Insulator, OD (in)=0.250, ID (in)=0.078
Description
More details on associated web pages:
Four Hole Round Ceramic Tube Insulators
The following four hole alumina ceramic tube type insulators are available in six inch lengths.Ceramic Tubes
(Catalog A58)

The following two hole alumina ceramic tube type insulators are available in six inch lengths.

The following four hole alumina ceramic tube type insulators are available in six inch lengths.

Premium wide mouth plastic bottles feature our superior double seal
closure which is guaranteed to be leakproof.

These premium plastic bottles feature our superior double seal closure
which is guaranteed to be leakproof.

O-Rings are available in five different materials from Scientific Instrument Services.

A superior electrical insulation for Heaters, Elements and Furnaces

This convenient o-ring kit contains 30 of the most popular sizes, for a total of 380 o-rings, in one convenient kit.