Filter, Support Pads, Porous Plastic, 37mm, 20.0µm Back Catalog number: GPP3700 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0601-01-R Single Unit Replacement Charger only, USB, BDX-2 Price on request 910-0802-02 Gilian 5000 Starter Kit UL ATEX, 120/240V, Euro Co Price on request 360-0040-01 Manual, GilAir-3/GilAir-5 Price on request