For those who know the flow, this one's for you. Our "Hazen-Williams Equation" t-shirt celebrates the science behind plumbing and fluid dynamics in a sleek and understated way. Featuring the iconic Hazen-Williams equation—used to calculate the friction loss in pipes—this shirt is a subtle tribute to the math that keeps the water moving.

Designed for the true plumbing pros and engineering enthusiasts, this tee features a clean, technical design in sharp lettering that pops on a comfortable cotton fabric. Whether you’re out in the field, teaching a class, or just want to geek out with your crew, this t-shirt is a perfect conversation starter.

• Material: 100% soft, durable cotton
• Fit: Unisex, relaxed fit for all-day comfort
• Design: Hazen-Williams equation print
• Colors: Blue
• Sizes: S, M, L, XL, XXL
• Care: Easy machine wash, high-quality print

For those who calculate every move, wear your knowledge proudly. Get your Hazen-Williams t-shirt today and show the world you know how to keep things flowing.