Filter, 37mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4537 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 563-0609-06-R 3/8" ID PVC Tubing, per foot Price on request 297-0012-01 USB Communications Cable for Nephelometer Price on request 811-0913-01-R Outlet Fitting, Bag Fill Adapter Price on request