you buy the UB20 without the quick coupler system
Large Size: 20"-30" W x 20"-36" L or 20"-30" Diameter for Circular Drains
The one-worker version comes with a 1/4 hp ambient air pump and the two-worker with a 3/4 hp pump
Will work in inert environments
Built-in reflective materials
FrenchCreek AF630KDE Arc Flash Full Body Harness Size:XS you buy the UB20 withoutThe AF630KDE ARC flash fall protection harness is for the worker whose application requires NFPA 70E ARC flash protection. This harness is rated at Category 2 and 8. 6 Cals. It is made of heat and flame resistant Kevlar. Features: Kevlar Webbing Die electric hardware (chest, shoulder, leg) Die electric back D Ring Flame resistant label cover Comes in sizes: XS, Small, Med, Lg, XL, 2XL, and 3XL Meets: ASTM F887 13, ANSI Z359. 1 2007, OSHA 1910. 269 &