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Single Cartridge Filter Housings with Ring Nut Closure - RHS, RHB Series

Our proven single shell design has been a standard in the industry for over 30 years. Available in either 316L Stainless Steel or Brass Head with a 304L body, the RH series is perfect for almost any application.ISC filter vessels are expertly engineered for reliability and ease of use, you’ll find our filter vessels will make your fluid lines more productive and effective.

The maximum design working pressure is 300psi @ 200ºF. The RH series is available in a wide range of connection sizes to fit your application as well as a wide variety of gasket options that make this housing compatible with almost any fluid. The standard gasket material is Buna-N. Please refer  to our ordering guide for a complete list of options or contact us through phone or our quote forms for help.

DownloadSingle Cartridge Housings – RHS, RHB Series BrochureSingle-Cartridge-Housings-RHS-RHB-Series


  • Designed for industrial and commercial filter applications
  • Heavy duty construction for maximum durability
  • Various materials of construction for a wide range of process requirements
    • 316L stainless steel
    • Brass head with 304L Stainless Steel body
  • Accepts Double Open End (DOE) cartridges (Internal O-ring (213) cartridge optional)
  • Available with 1/2″, 3/4″ and 1″ in-line connections for easy installation.
  • Ring nut closure for quick cartridge change outs
  • Spring loaded knife edge seal provides positive sealing for variable length cartridges
  • Supplied with mounting bracket kit and wrench
  • Numerous gasket options for compatibility with most fluids

Compatible Filters

String Wound Filter Cartridges - Melt Blown Depth Cartridges - ME Series Pleated Cartridges  
High Efficiency Pleated Cartridges - Carbon Filter Cartridges - Stainless Steel Cartridges


Maximum Operating Pressure300 psig (20.7 bar) @ 200°F (93°C)
ConnectionsInlet /Outlet: 1/2", 3/4" or 1" FNPT
Optional: BSPT, BSPP, RF Flanges, Sanitary Ferrules or Grooved Fittings
Drain: RHS - 1/8" NPT Plug; RHB - 1/4" NPT Petcock
Materials of ConstructionHead / Shell: RHS - 316L SS / 316L SS; RHB - Brass / 304L Stainless Steel
Drain: RHS - 316L SS Plug; RHB - Brass Petcock
GasketsBuna N (FDA Grade)
Optional: EPR, Silicone, Viton
Cartridge TypeDOE Cartridges
Optional: Internal O-ring (213) SOE
Custom Options- Gauge Ports
- Vent Port with Vent Screw

Ordering Guide (example RH-S-78-6A-B)

ModelMaterialCartridge LengthPipe Size FNPTOptionsGasket
RHS = 316L Stainless Steel with Stainless Steel Plug
B = Brass Head with 304L Stainless Steel Sump and Nickel Plated Brass Ring Nut and Brass Petcock
78 = 9 3/4-10"
80 = 19 1/2-20"
90 = 29 1/2 -30"
4 = 1/2"
6 = 3/4"
8 = 1"
Blank = None
BSP = BSP thread
1F = 1" Flange
1TC = 1" Ferrules
GP4* = 1/4" Gauge Ports
Vent* = Vent Screw
213 = Internal O-ring (213) Head
B = Buna N (Standard)
S = Silicone
V = Viton

How can we help you?

Call (877) 602-0010 to skip the wait!

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