Protect your water supply and meet plumbing codes with DIR shampoo bowl vacuum breaker — a vital component for any professional salon sink setup. This reliable shampoo sink vacuum breaker prevents water backflow, ensuring clean, sanitary operation in every hair washing station. Vacuum Breaker - Back-flow prevention device: Protect the purity of the freshwater system by keeping chemical and polluted water from flowing into the municipal water supply. Please consult your plumber for local building & salon codes. • Prevents contaminated water from flowing back into the clean supply • Easy to install and compatible with most DIR shampoo bowls • Built from high-quality, corrosion-resistant materials • Ideal replacement part for maintaining salon compliance and hygiene • A must-have in shampoo bowl parts for long-term performance • Complements shampoo bowl drainsystems seamlessly • Meets plumbing code requirements in most states