Empalmes, conectores, adaptadores

Infinity Tools carries splices, quick couplers, and adapters in 2-1/2-inch and 4-inch sizes, as well as step-down couplers that adapt between these two common dust collection hose diameters.

A quick-connect coupler allows you to detach and reconnect dust collection hoses at a port without tools. The 4-inch Quick Connect/Disconnect is designed for fast tool changeover between machines in the shop.

Use a step-down coupler such as the 4 x 2-1/2 Quick Coupler to bridge the size difference between a 4-inch main line and a 2-1/2-inch tool port without reducing airflow more than necessary.

A splice joins two hose sections of the same diameter end-to-end to extend a run. A coupler typically refers to a quick-disconnect fitting that allows non-permanent connections between hose and port, making it easy to move the hose between tools.

The 4-inch Threaded Splice can be tightened to create an airtight connection, reducing suction loss at joints. Standard push-fit splices rely on friction and hose clamps for sealing.

Yes. The splices and couplers in this collection are designed for use with standard flexible dust collection hose in 2-1/2-inch and 4-inch inside diameters. Confirm the inner diameter of your hose matches the fitting before ordering.

Many of these fittings are compatible with both flexible hose and rigid PVC schedule 40 pipe in the same diameter. Check individual product descriptions for compatibility notes if you are building a hard-plumbed dust collection system.

The 2-1/2-inch Connector provides a straight coupler for joining two 2-1/2-inch dust collection hose sections or attaching a hose to a tool port of the same diameter.

Shipping details including carrier options and timelines are available on the shipping policies page. Smaller fittings typically ship via standard parcel service.

The Infinity Tools Learning Center covers dust collection layout, static pressure, hose sizing, and fitting selection to help you build an effective system for your shop.