Filter, 25mm, 0.2µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC225 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0503-01 GILIBRATOR FEET, 4-PACK (includes for screws) Price on request 375-0009-01 Carrying Case for Nephelometer Price on request 911-0502-EU-R Single Unit Charger w/ Power Adapter, USB Gilibrat Price on request