Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 810-0903-02-R STP, Bluetooth, Pump Only (No Dock) Price on request 783-0008-03-R Battery Pack, GilAir-3UL, ATEX, NiMH Price on request C-DFR Dual Flow Regulator Accessory, for ACTI-VOC and ACTI-VOC PLUS Price on request