Filter, Support Pads, Cellulosic, 37mm, 40.0µm, 10 Back Catalog number: GPG37100 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GH37 Housing, 37mm 3pc Opaque, 50/Box Price on request 910-0904-EU-R GilAir-Plus Basic 5-Pump Starter Kit, Euro cord Price on request 563-0609-06-R 3/8" ID PVC Tubing, per foot Price on request