WoodRiver Dust Connection 4″ to 1″ Modular Step Fitting for dust collection is 4 separate fittings that connect together or can be used individually. Individual component sizes are listed below. Please note, all sizes are approximate.

Features:

• Modular step dust collection fitting
• Can be used together or individually

Specifications:

• Overall length: 6-1/4″
• 3.825″ OD, 3.635″ ID x 2.675″ OD, 2.440″ ID
• 2.435″ OD, 2.275″ ID x 1.770″ OD, 1.550″ ID
• 1.545″ OD, 1.375″ ID x 1.545″ OD, 1.375″ ID
• 1.370″ OD, 1.085″ ID x 1.350″ OD, 1.885″ ID

What’s Included:

• (1) WoodRiver Dust Connection 4-In-1 Modular Step Fitting for Dust Collection System