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Thomas' Test Lab

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Yellow Shades Quick View

Yellow Shades

$ 19.60  $ 49.00

A bright transparent yellow, these test batches fall between Lemon Drop and Citron. Note: Thomas' Test Lab contains good quality glass. The color ...
Gray Shades Quick View

Gray Shades

$ 22.50  $ 45.00

This run of Test Lab batches is a full Gray scale, from dark to light and everything in-between. Each batch of transparent gray is slightly differe...
Blue Silver Quick View

Blue Silver

$ 30.00  $ 60.00

We are bringing back the Blue Shades and adding a little kick.  Blue Silver are test batches leading up to Ozone.  The rods have a blue base color ...

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