Filter, 25mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC4525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 402119 Charger, Single, BDX-II, 230V, Euro Plug Price on request 385-0112-01 Sheath Air Purge Flow Filter for Nephelometer Price on request 360-0040-01 Manual, GilAir-3/GilAir-5 Price on request