The Pyrex tube was produced by a manufacturer of laboratory vacuum equipment and was sand-blasted from the inside to contain the light.  Photo 3 of 5 in A Laundry Room We’d Actually Like to Spend Time In

A Laundry Room We’d Actually Like to Spend Time In

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The Pyrex tube was produced by a manufacturer of laboratory vacuum equipment and was sand-blasted from the inside to contain the light.