4FOS and 5FOS Series Multi-Cartridge Filter Housings • Designed for general purpose industrial and commercial filtration needs • Heavy-duty 304L or 316L stainless steel construction for maximum durability and corrosion resistance • V-band clamp or swing bolt closures for quick and easy cartridge change outs and secure sealing • Holds four or five cartridges from 10” to 40” lengths for optimal choice of flow rates • Accepts double open-ended (DOE) style cartridges (222 and 226 style adapters are optional) • Knife edge seals eliminate bypass on DOE cartridge • Adjustable top plate accepts variable length cartridges • Wide range of options to meet specific filtration and installation requirements Applications Water Chemicals Electronics Power Coolants Desalination Food & Beverage Oil / Gas Inks / Paints / Coatings Pulp & Paper Specifications & Operating Parameters Maximum Operating Pressure Gaskets 150 psig (10.3 bar) @ 300°F (149°C) Buna N (FDA Grade) Optional: EPR, Silicone, Viton or Teflon Encapsulated Silicone Inlet and Outlet Connections Inlet /Outlet: 2" MNPT Drain Ports: 1/2" FNPT Vent Ports: 1/4" FNPT Optional: MNPT, FNPT and BSP fittings, RF flanges, Sanitary ferrules and Grooved fittings Materials of Construction Head and Shell: 304L or 316L Stainless Steel Connections: 304L or 316L Stainless Steel Closure: Clamp: 304L Stainless steel Swing Bolts: Zinc Plated Steel Vent and Drain Plugs: 304L or 316L Stainless Steel Finish Poly-coat on exterior surfaces Optional: Electro-polish, Glass bead or Passivate Cartridge Type DOE style cartridges (maximum 2 3/4" OD) Optional: 222 and 226 adapters Custom Options - Gauge Ports or Gauge Ports with Pressure Gauges - Mounting Tabs, Mounting Legs or Heavy Duty Mounting Legs See Ordering Guide for complete selection of options www.shelco.com

QUANTITY (LENGTH) OF CARTRIDGES + RATED FLOW CAPACITY* GPM(LPM) CLAMP STYLE MAXIMUM DIAMETER CARTRIDGE SWING BOLT STYLE A MODEL A B C D E 4FOS1/5FOS1 4/5 (10") 28 (106) / 35 (132) 2 3/4" 20 7/8" (53.0 cm) 22 1/4" (56.3 cm) 7" (17.8 cm) 3" (7.6 cm) 10 1/4" (26.0 cm) 12" (30.46 cm) 4FOS2/5FOS2 4/5 (20") 56 (212) / 70 (265) 2 3/4" 30 7/8" (78.4 cm) 32 1/4" (81.9 cm) 7" (17.8 cm) 3" (7.6 cm) 10 1/4" (26.0 cm) 12" (30.46 cm) 4FOS3//5FOS3 4/5 (30") 84 (318) / 105 (397) 2 3/4" 40 7/8" (103.8 cm) 42 1/4" (107.3 cm) 7" (17.8 cm) 3" (7.6 cm) 10 1/4" (26.0 cm) 12" (30.46 cm) 4FOS4/5FOS4 4/5 (40") 112 (424)...