FI RVZ 28LR WD B W3 3 MS Sensoren RHK300M15B blank filter Element RHK300M15B Replacement Filter Element for Return Line Filters Micron Rating: 60 µm Material: Stainless Mesh Outer Diameter (mm): 140 Inner Diameter (mm): 65 Length (mm): 424 Sealing: NBR Size: 28L 1 BSP Zinc Nickel Plated