Weiler 44169 4" Double Spiral Flue Brush, 012 Steel Fill, Made in The USA

Weiler Flue Brushes Designed and engineered from black oil-tempered wire. Filled with .012 round wire and fitted with 1/4 in x 2 in NPT pipe nipple. . . Pack of 1

Designed and engineered from black oil-tempered wire Ideal for pipe cleaning, flue cleaning, boiler tube cleaning Industrial grade performance line, fitted with 1/4 x 2 in NPT pipe nipple Brush dia 4 in, filament dia .012 in, brush length 4-1/2 in, overall length 7-1/2 in Steel fill material, Made in USA