Housing, 37mm, 2Pc, 50/Box Back Catalog number: GCO37050-2 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended GFPC4525 Filter, 25mm, 0.4µm, Polycarbonate, Plain White, 1 Price on request 811-1604-EU Gilian 12 Power Module, EU Cord Price on request 800252 Single Variable Flow Starter Kit (Includes 6x70mm, Price on request