There are 4 variations of valve brushes with a 1" diameter nylon brush.
Items
A2261-3X01

(Formerly A2261-3X01), Valve Brush, 1” Round Nylon, 1/8” Female NPT Inlet

B1049-3X01

(Formerly B1049-3X01), Angled Valve Brush, 1” Round Nylon, 1/8” Female NPT Inlet

B1008-3X01

(Formerly B1008-3X01), Angled Valve Brush with Drip Tube, 1” Round Nylon, 1/8” Female NPT Inlet

B1009-3X01

(Formerly B1009-3X01), Horizontal Valve Brush with Drip Tube, 1” Round Nylon, 1/8” Female NPT Inlet
Feature N/A Straight N/A Angled N/A Angled, Drip Tube N/A Horizontal, Drip Tube
Brush Type N/A Round
Brush Size N/A 1" dia
Bristle Material N/A Nylon
Inlet N/A 1/8" Female NPT