Anti-Static Technology: Our anti-static 4 inch duct hose is engineered with carbon black that effectively minimizes the build-up of static discharge, preventing shocks and providing a safer environment while you work Durable and Flexible Construction: This 10 feet long, 4 inch dust collection hose, made from a plastic helix with carbon black lining, efficiently handles heavy dust and chips while reducing friction and static buildup, enhancing longevity and reliability in your dust collection system Effective Charge Dissipation: Unlike traditional hoses that depend on grounding wires, this 4” woodworking dust collector hose addresses static directly, reducing friction and charge buildup as dust and chips move through, even across extended distances Compatibility: Designed for use with left-hand threading accessories, this dust collection hose 4 inch is not compatible with Right Hand Thread Bridge Hose Clamps (#26177) or Clamped Quick Disconnect Fitting (#37789) What’s Included: You get (1) Dust Right 4" Anti-Static Dust Hose, and (2) 4" Bridge Hose Clamps with our dust extractor hose for easy installation and a safe working environment Rockler Anti Static Dust Collection Hose: Our 4 inch dust collection fittings are crafted with 'carbon black' to combat static build-up, reducing the risk of shocks during use. This 10-foot flexible PVC dust collection hose, with a 4-inch inside diameter, is both rugged and easy to handle, making it a pleasure to work with. Our 4 inch hose does not rely on grounding wires, this dust collection pipe hose tackles static at its source by incorporating a durable plastic helix infused with carbon black to dissipate the charge. The friction experienced on a plastic playground slide, dust and chips flowing through the hose generate static. However, this innovative design of wood dust collector hose minimizes the issue, for smooth and efficient dust collection. What's Included : (1) Dust Right 4" Anti-Static Dust Hose - (2) 4 inch hose clamps. Specifications of 4 inch pipe: Weight 5.95 - Tech Specification: LH Threading. —About us: The history of Rockler Woodworking and Hardware goes back to 1954 when Norton Rockler started the Minnesota Woodworkers Supply Company in north Minneapolis. It was a small mail-order business with a big aspiration – to become woodworkers' go-to resource for everything they need to complete their projects.