Filter, Support Pads, Porous Plastic, 37mm, 20.0µm Back Catalog number: GPP3700 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9922-01-R Single Unit Replacement Charger only, USB GilAir-3 Price on request 298-0027-01 Charger, Smart Lithium Ion 100 to 240VAC for Nephe Price on request KB-200 Kynar Bag 200L Price on request