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VGB 2017 – ANSI/APSP – 16 2017 certified
giving this hat a retro
plus our classic branded logos means it looks and feels good enough to wear every single day
Safety Green & Safety Orange: 50/50 cotton/polyester
out on the town
Hazen Williams Bumper Sticker VGB 2017 – ANSI/APSP –For those who know the flow, this one's for you. Our "Hazen Williams Equation" sticker celebrates the science behind plumbing and fluid dynamics in a sleek and understated way. Featuring the iconic Hazen Williams equationused to calculate the friction loss in pipesthis shirt is a subtle tribute to the math that keeps the water moving.
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