Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 811-9925-01 Cyclone, GK4.162 -RASCAL Cyclone (9LPM Respirable- Price on request 801446 Side Anti-Tamper Plate GilAir-3/5 Clock & Prog Mod Price on request 911-0301-NO-R Single Unit Charger w/ Power Adapter, USB, LFS-11 Price on request