Filter, Support Pads, Porous Plastic, 37mm, 20.0µm Back Catalog number: GPP3700 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9936-01 Tubing Adapter, 1/4" to 3/8 " ID, Plastic, for Gil Price on request 910-1305-EU Gilian 800i,5-Pack Kit, EU Cord Price on request 800510-171-2301 GilAir-3 RP Pump, Starter Kit, 230V Euro Style Plu Price on request