Check the listing for details. Woodford 38DF Hose Connection Backflow Preventer Brass. Condition: New. Listed at 39.99 USD. Ensure the integrity of your plumbing system with the Woodford 38DF Hose Connection Backflow Preventer, crafted from durable brass for long-lasting performance. This essential component is designed to prevent the reverse flow of water or air, safeguarding your hydraulic and pneumatic equipment against contamination or damage. Ideal for use in a variety of industrial settings, this backflow preventer fits seamlessly into any hydraulics, pneumatics, pumps, or plumbing infrastructure. Its robust construction and reliable operation make it a must-have for maintaining the efficiency and safety of your business's valuable equipment.