Filter, Support Pads, Porous Plastic, 37mm, 20.0µm Back Catalog number: GPP3700 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801841 Carrying Case, Hard-Side, Standard (16" x 12" x 6" Price on request 780-0015-02-R Go-Cal Pro SmartCal adpater, GilAir Plus 9-pin Cab Price on request GF47080 Filter, MCE, 0.8µm, 47mm, 100/Pack Price on request