Strainer Screen, Mesh Size 20 mesh, Micron Rating 840 micron, Diameter 4 in, Screen Material PVC, Maximum Pressure at 100 deg F 85 psi, Strainer Type Mesh, Maximum Temperature 120 Degrees F, Compatible Mfr. Model Number 1257040, Compatible with Grainger Part Number 49FA25, For Use With Sediment Strainers, Minimum Temperature 32 Degrees F