GRACO Head, Filter - (SKU: 193331) this piston is essential for

this piston is essential for regulating fluid movement

E-Z Fit adjustable trigger length for comfort and control

as referenced in GRACO 313342C dosing valve manual)

including drywall

GRACO Head, Filter - (SKU: 193331) this piston is essential forThe GRACO 193331 Head, Filter is a replacement filter head designed for use in GRACO lubrication and fluid handling equipment. Its material is not explicitly specified in available sources, but typical GRACO filter heads are constructed from durable metals or engineered plastics for reliability in industrial environments. The part is intended to support filtration of fluids, ensuring clean and efficient operation of GRACO systems. Key Features: Filter