Round 9"REQUIRES A 3/8 INCH RODBrush has a 3/4" loop on one end and a 3/8" NPT on the otherAttaches directly to the 3/8" fiberglass rods
Worcester Round Polypro Brush -9". Features: Special .075 stiff black polypropylene bristles. Resist acids from coal, gas, and oil flues that will deteriorate steel bristles brushes. Specifications: Overall Dimensions: 9" (L) x 9" (W) . 3/8" pipe thread.
Brand: Copperfield, Color: black, Size: Round 9"