Filter, Tissue Quartz, (99.90% retention of 0.3µm Back Catalog number: GF37TQ Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800884-171 GilAir-5 RP Pump, No Charger Price on request 380-0035-01 Nephelometer Pump Assy, Replacement Price on request 375-0008-01 Protective Rubber Boot for Nephelometer Price on request