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Robinson Dual Diameter Spin Grit Brush

Robinson Dual Diameter Spin Grit Brush

The dual diameter spin grit brush is recommended for removing soft and light scale deposits in straight enhanced condenser tubes. The smaller diameter stands still to clean in grooves while the longer bristles lay flat to clean between grooves. The small diameter of the brush should  match the tube diameter.

Part Number Small End Large End
JRRBTSG500 1/2"     (12.7mm) 3/4"     (19.1mm)
JRRBTSG625 5/8"     (15.9mm) 1"        (25.4mm)
JRRBTSG750 3/4"     (19.1mm) 1-1/8"  (28.6mm)
JRRBTSG1000 1"        (25.4mm) 1-3/8"  (34.9mm)