Filter, 47mm, 0.4µm, Polycarbonate, Plain White, 1 Back Catalog number: GFPC447 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9909-01 Inhalable Dust Sampler (100 µm Particle Cut at 2L Price on request 375-0003-01 Pump Carrier, Soft, Gilian 800i/5000/10i/12/GilAir Price on request 811-9925-01 Cyclone, GK4.162 -RASCAL Cyclone (9LPM Respirable- Price on request