Pellet Stove/Fireplace Vent Exhaust Flue Cleaning rods 5 - 4' Rod! FREE PRIORITY SHIPPING 1 Nylon Cleaning Rods 5 - 4' Length Each (Flexible, yet extremely durable) 1/4" x 20 thread Will run through 45 degree and 90 degree venting elbows. Specifically designed to use with the 3" or 4" fiber brush to remove hard ash and venting build-up Made in the USA