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Pentek 166201, 20" Big Clear Filter Housing

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  Stock Item
  •   Model # 166201
  •   UPC 10051678662011
  •   Brand Pentek
  • Big Clear Filter Housing
  • Accepts 20" X 4.5" Cartridges
  • 1" FNPT Connections
  • Pressure Rating to 90 PSI
  • NSF Certified
  • Housing Includes Cap, Sump and O-Ring Only
  • Mounting Hardware and Wrench Sold Separately
 Quantity Discounts
NSF 42 Certified

Big Clear Filter Housings offer the versatility to meet all of your large-capacity filtration needs, including high-flow and heavy-sediment applications. The extra large housing allows for greater cartridge capacity, reducing the number of vessels required for high flow-rate applications. Sumps are constructed of durable reinforced polypropylene.

Big Clear housings are compatible with a broad range of chemicals and are available with or without a pressure relief button. They accept a wide variety of 4-1/2" diameter cartridges.


  • Large Capacity Housing Suitable for High Flow Applications
  • Standard 20" Big Blue Cartridge Length
  • 1" FNPT Ports
  • Blue Polypropylene Cap with Clear Styrene Acrylonitrile (SAN) Sump
  • Pressure Release Button
Pentek Big Blue Flowchart