Foam pads inside of the barb. Replace when gun consistently gets clogged or pads look dirty to improve foam quality and consistency.
#431-A – Heavy Duty Handle Inlet and Regular Handle ( 1″ x 1.75″ )
#431-B – Heavy Duty Handle Outlet ( 1.5″ X 3″ )
#431-C – Foam Chamber ( 1″ X 1.5″ )
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