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Graco 238448 Q Strainer 100 Mesh

Graco 238448 Q Strainer 100 Mesh keeps your spray system clean and clog-free by filtering paint before it enters the hose and gun. Ideal for fine finishes and thin coatings.

  • OEM stainless-steel 100 mesh (≈ 149 micron) screen
  • Prevents tip clogs and improves spray pattern
  • Fits select Ultra, Ultra Plus, and ST-Series sprayers
  • Easy to clean and durable for repeated use

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Fine Filtration for Smooth Spraying (100-Mesh)

Compatible Machines

This screen fits select Graco professional airless sprayers that use the short manifold/outlet strainer.

  • Ultra Plus 600
  • 390 ST (Stand)
  • 390 ST (Hi-Boy)
  • 395 ST
  • 455 ST
  • 490 ST
  • 495 ST (Stand & Lo-Boy)
  • 495 ST (Hi-Boy)

Product Overview

Graco 238448 Q Strainer 100 Mesh is a fine stainless-steel outlet/manifold screen that captures small particles (~149 microns) before paint enters the hose and spray gun. Using the correct mesh helps prevent tip clogs, maintains a consistent fan pattern, and protects downstream components.

Key Specs

Part Number 238448
Mesh / Micron 100 mesh (≈ 149 µm)
Type Q-style short screen; manifold/outlet strainer
Material Stainless-steel mesh
Best For Thin to medium coatings (e.g., enamels, lacquers, stains, properly thinned paints)
Primary Benefit Reduces clogs, improves finish consistency, protects tip & hose

Features & Benefits

  • Fine filtration with 100 mesh for smooth atomization on detail-sensitive work.
  • Designed for Graco manifold/outlet positions to filter paint before it reaches the hose and gun.
  • Durable stainless mesh stands up to repeated cleanings.
  • Helps extend spray tip life and reduce downtime from plugging.

Usage & Care Tips

  • Select mesh to match coating viscosity: finer meshes (100–200) for thinner materials; coarser (30–60) for heavier coatings.
  • Rinse and back-flush the screen after each use; replace if frayed, dented, or won’t clean fully.
  • If experiencing frequent clogs, verify inlet strainers and gun tip size, and strain the coating before filling.

Frequently Asked Questions

Mesh indicates how fine the screen is. 100 mesh is roughly 149 microns and is suited to thin coatings, helping prevent small debris from reaching the hose and tip.

It is a manifold/outlet strainer (Q-style short screen) positioned to filter paint as it exits the pump and before it enters the hose and spray gun.

Check your sprayer’s parts manual for the outlet/manifold filter part number. If it specifies 238448 (or a kit that includes it), this screen is correct for your unit.

Thinner materials like lacquers, enamels, stains, and properly reduced latex benefit from 100 mesh. Very heavy coatings may need a coarser mesh to reduce restriction.

Replace when the mesh is deformed, frayed, or won’t rinse clean. Frequent tip clogging or pressure spikes are signs the screen may be restricted or damaged.

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