Available in sizes from 1/2" thru 4" diameters, these flue brushes are made in carbon steel, stainless steel, nylon or brass filament. Pipe nipples are attached unless otherwise specified for use with extensions. The brushes feature four wire, double spiral construction for maximum filament density. Flue brushes are ideal for cleaning soot and carbon deposits from pipes and for cleaning tube sheets. Nipple sizes include:

5/16"-18 I.D. threaded nipple on 1/2" diameter.
1/8" Pipe Nipple on 3/4" diameter.
1/4" Pipe Nipple on 7/8" diameter and larger.

Nipples will be attached to flue brushes unless otherwise specified.