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Pentek, Pentair 20" Big Clear / Wide Diameter, Polypropylene / Polycarbonate Filter Housing
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Pentek, Pentair 20" Big Clear / Wide Diameter, Polypropylene / Polycarbonate Filter Housing

Pentair Pentek Big Clear Duty 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 available in both 10" and 20" lengths.

The High-Flow Polypropylene (HFPP) cap is available with 3/4", 1" or 1-1/2" inlet and outlet ports. The 1-1/2" internal port allows a greater volume of liquid to pass through the HFPP cap more rapidly.

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
  • Available in 10" and 20" lengths
  • Accepts up to 4-1/2" diameter cartridges
  • Manufactured from virgin polypropylene (opaque) or styrene-acrylonitrile (clear)
  • Reduces cartridge changeout frequency
  • Easy to install, operate and maintain
  • Buna-N O-ring
  • Air release button option
  • Meets BS6920, WRAS standards and FDA compliant


Product Options
Our Part Number NSF Part Number Our Description Standard Seal Material Housing Length Fitting Size With Air Release
BB20CL/1"BL1"W/PRLX 166201 Big Blue 20", 1" NPT, With Air Release NBR 20" 1" NPT Female Yes
SW4   Filter Bowl Spanner        
WBSSKIT   Filter Mounting Bracket        

When replacing elements in filter housings with screw-on bowls we always recommend the use of Silicon O Ring Grease to aid tightening of the bowl, preventing pinching & scuffing and thus prolonging the life of the O Ring

Download Pentair Big Clear Housing - Specifications PDFDownload Pentair Big Clear Housing - Specifications PDF

Download Poly Filter Housing - Instructions PDFDownload Poly Filter Housing - Instructions PDF

Product Options


Product Code PEN16XQZ66
Condition New

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