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Test Tube Brushes
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B-913 - Test Tube Brush, ¾" OD (B913)
B-913
Test tube brush, brush diameter: ¾", brush length: 3½", overall length: 9"
B-913A - Test Tube Brush, ⁷⁄₁₆" OD (B913A)
B-913A
Test tube brush, brush diameter: ½", brush length: 3", overall length: 8"
B-914 - Test Tube Brush, 1⅜" OD (B914)
B-914
Test tube brush, brush diameter: 1⅜", brush length: 4", overall length: 10½"
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