Filter Support Pads, Porous Plastic, 25mm, 100/Pac Back Catalog number: GP25 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 783-0008-04 Battery Pack, Replacement BDX II, NiMH Price on request 811-1604-EU Gilian 12 Power Module, EU Cord Price on request 800485-171-2301 GilAir-3 R Pump, Starter Kit, 230V Euro Style Plug Price on request