Filter, 25mm, 5.0µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC525 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0117-01 Tri-pod mounting bracket for Nephelometer (Tri-pod Price on request 780-0015-02-R Go-Cal Pro SmartCal adpater, GilAir Plus 9-pin Cab Price on request GF47450 Filter, MCE, 0.45µm, 47mm, 100/Pack Price on request